Big Basin Redwoods State Park Weather
Park • San Francisco Bay Area
California's oldest state park, set aside in 1902, fills a bowl of the Santa Cruz Mountains about nine miles up Highway 236 from Boulder Creek. Its small creeks gather into Waddell Creek on the way to the sea. It holds the largest continuous stand of old-growth coast redwoods south of San Francisco. The 2020 CZU Lightning Complex Fire burned about 97% of the park and destroyed all of its historic buildings. Most of the old-growth redwoods survived, and visitors now walk among scorched but living giants while California State Parks rebuilds.
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10-Day Forecast
Hour by hour
Hourly Forecast
Current Conditions
Comfort Breakdown
Big Basin Redwoods State Park weather today and through the year
It's 53°F at Big Basin Redwoods State Park right now (feels like 50°F), with 6 mph wind and a comfort score of 77. Monday's forecast high at Big Basin Redwoods State Park is 53°F, 10°F below the mid November normal of 63°F. The best window today is 10 AM to 1 PM, at about 51°F with a 7 mph wind (comfort 54).
August is the warmest month at Big Basin Redwoods State Park, with an average high of 79°F. December is the coldest, with an average low of 40°F. January is the wettest month (9.1 in.), out of about 43.8 in. a year. By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Big Basin Redwoods State Park are August, September, and July. The best hours are usually 10 AM to 1 PM in August, 11 AM to 2 PM in September, and 11 AM to 2 PM in July.
Big Basin sits inside the mountains, not on their seaward edge. The headquarters area lies around 1,000 feet up in a basin ringed by ridges. On many summer mornings that puts it near the top of the marine layer rather than deep inside it. The marine layer is the sheet of cool, damp ocean air that carries coastal fog. Fog that pushes up the Waddell Creek canyon from Rancho del Oso often stalls below the park or thins by late morning. Año Nuevo, on the coast to the west, stays cooler and grayer much longer.
Forecast updated November 15, 2026 at 4:00 AM PST. Climate figures come from NOAA 1991-2020 normals. Hourly patterns come from NOAA's HRRR hourly analysis from September 2014 to April 2026.
What to expect at Big Basin Redwoods State Park in the next few days
No active National Weather Service alerts for this location.
Best time to go
The best window today is 10 AM to 1 PM, at about 51°F with a 7 mph wind (comfort 54).
Hiking conditions
Best hiking day this week: Friday, with 9 daylight hours that are dry, 45 to 80°F, and under 18 mph wind. 4 of the next 7 days have at least 4 such hours.
Best day this week
Of the next 7 days, Friday looks best for Big Basin Redwoods State Park, with a 55°F high and midday comfort near 66. Thursday looks weakest (41).
Rain
Next good chance of rain: today (87%, about 0.46 in.).
Live weather map
Weather around Big Basin Redwoods State Park right now
Overcast and 53° at Big Basin Redwoods State Park right now.
About the live weather map for Big Basin Redwoods State Park
The map centers on Big Basin Redwoods State Park and stacks fog, satellite clouds, and precipitation radar on one view. Clouds come from the GOES-West satellite and rain from NOAA radar, and both show current conditions. Fog comes from our HRRR-based fog model, and the slider steps through its forecast for the next 12 hours.
Dots mark nearby places with their current temperature, colored by comfort score. Use the layer buttons to turn any layer off, or open the full map for every destination in the region.
Nearby Temperature Comparison
Conditions at nearby San Francisco Bay Area destinations
Tip: Bay Area temperatures can change by 20 to 30°F over a short distance because of microclimates.
Big Basin Redwoods State Park vs nearby places
Typical summer conditions compared with Big Basin Redwoods State Park, from the same NOAA HRRR hourly record. The list shows the closest places, then nearby places whose climate differs the most.
| Place | Distance | Summer afternoons | Morning fog | Afternoon wind | Compared with Big Basin Redwoods State Park |
|---|---|---|---|---|---|
| Portola Redwoods State Park | 5.5 mi | +2°F | 34% | 8 mph | a very similar climate |
| Butano State Park | 5.6 mi | -5°F | 45% | 9 mph | about 5°F cooler on summer afternoons |
| Boulder Creek | 6.8 mi | +10°F | 13% | 8 mph | less summer morning fog (13% vs 38% of morning hours) and about 10°F warmer on summer afternoons |
| Año Nuevo State Park | 6.9 mi | -13°F | 42% | 14 mph | about 13°F cooler on summer afternoons and windier summer afternoons (14 vs 8 mph) |
| Año Nuevo Point | 7.3 mi | -13°F | 42% | 14 mph | about 13°F cooler on summer afternoons and windier summer afternoons (14 vs 8 mph) |
| Almaden Quicksilver County Park | 22 mi | +13°F | 7% | 9 mph | about 13°F warmer on summer afternoons and less summer morning fog (7% vs 38% of morning hours) |
Places with a climate like Big Basin Redwoods State Park's
- Windy Hill Open Space (13 mi away): nearly the same temperatures every month
- Occidental (94 mi away): nearly the same temperatures every month
- Mount Burdell Open Space Preserve (70 mi away): similar temperatures through the year
Climate Dashboard
Current conditions vs. NOAA normals and recent destination baseline
What the Big Basin Redwoods State Park climate comparisons mean
These cards compare recent conditions at Big Basin Redwoods State Park with the available local baseline. Temperature and year-to-date rainfall use long-term normals when available. Fog, sunshine, wind, and comfort use the matching recent or modeled baseline identified on each card.
Positive and negative differences describe how Big Basin Redwoods State Park departs from its own usual pattern. They should not be read as a direct comparison with another city or as a forecast beyond the period shown.
Big Basin Redwoods State Park weather by month
August is the warmest month at Big Basin Redwoods State Park, with an average high of 79°F. December is the coldest, with an average low of 40°F. January is the wettest month (9.1 in.), out of about 43.8 in. a year. Morning fog peaks in August, when fog or low cloud covers 41% of the hours from 6 to 10 AM. October has the clearest middays, with clouds covering about 19% of the sky from 11 AM to 3 PM.
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Big Basin Redwoods State Park are August, September, and July. The best hours are usually 10 AM to 1 PM in August, 11 AM to 2 PM in September, and 11 AM to 2 PM in July.
| Month | Avg high | Avg low | Rain | Rainy days | Morning fog | Midday cloud | Afternoon wind | Daylight | Comfort |
|---|---|---|---|---|---|---|---|---|---|
| Jan | 58°F | 41°F | 9.1 in | 13 | 17% | 32% | 7 mph | 9.9 h | 32 |
| Feb | 58°F | 41°F | 8.5 in | 12 | 15% | 29% | 8 mph | 10.8 h | 38 |
| Mar | 61°F | 41°F | 6.3 in | 11 | 16% | 34% | 8 mph | 11.9 h | 37 |
| Apr | 64°F | 42°F | 3.0 in | 7 | 25% | 32% | 8 mph | 13.1 h | 61 |
| May | 68°F | 46°F | 1.2 in | 5 | 35% | 35% | 8 mph | 14.2 h | 69 |
| Jun | 74°F | 48°F | 0.3 in | 2 | 33% | 25% | 8 mph | 14.7 h | 83 |
| Jul | 78°F | 52°F | 0.0 in | 1 | 40% | 23% | 8 mph | 14.5 h | 89 |
| Aug | 79°F | 53°F | 0.1 in | 1 | 41% | 22% | 8 mph | 13.5 h | 91 |
| Sep | 79°F | 53°F | 0.1 in | 2 | 30% | 23% | 7 mph | 12.3 h | 91 |
| Oct | 73°F | 49°F | 1.8 in | 6 | 16% | 19% | 7 mph | 11.1 h | 84 |
| Nov | 63°F | 43°F | 4.4 in | 9 | 11% | 22% | 6 mph | 10.1 h | 68 |
| Dec | 57°F | 40°F | 9.0 in | 12 | 21% | 31% | 6 mph | 9.6 h | 33 |
Morning fog is the share of hours from 6 to 10 AM with fog or low cloud. Midday cloud is the average from 11 AM to 3 PM, and afternoon wind is the average from 1 to 5 PM. The highlighted rows are the most comfortable months.
What makes Big Basin Redwoods State Park's weather different
When the fog burns off
11 AMwhen August fog usually thins (50% foggy at 8 AM)
Fog or low cloud covers Big Basin Redwoods State Park in 50% of 8 AM hours in August, the foggiest month. It usually thins to a third of that by 11 AM. November mornings are the least foggy (11%).
When the wind picks up
noonwhen afternoon wind builds, April–September
From April through September, wind at Big Basin Redwoods State Park typically builds after noon. In May it peaks around 3 PM, averaging 9 mph with 1% of those hours windy, while mornings average 5 mph.
Microclimate
+10°FBoulder Creek, 6.8 mi away, on summer afternoons
Boulder Creek, 6.8 miles away, runs about 10°F warmer than Big Basin Redwoods State Park on summer afternoons. It also has far less summer morning fog, 13% of morning hours compared with 38%.
Elevation
−13°Fsummer afternoons at Año Nuevo Point, 1,170 ft down
Año Nuevo Point sits 1,170 ft lower, 7.3 miles away. Its summer highs average 13°F cooler and its winter lows 3°F milder than Big Basin Redwoods State Park.
Daylight
9.6–14.7 hof daylight, Dec to Jun
Days at Big Basin Redwoods State Park range from about 9.6 hours in December to 14.7 hours in June. In mid-June the sun sets around 8:30 PM, and in mid-December around 4:57 PM.
Seasons at Big Basin Redwoods State Park
- Warm seasonJun 30 – Sep 29 · highs 76°F+
The warm season lasts about 3 months, from Jun 30 to Sep 29, when the average high is 76°F or warmer. Highs peak around Aug 8 at about 79°F.
- Cool seasonDec 2 – Mar 1 · highs 60°F or lower
The cool season runs from Dec 2 to Mar 1, when the average high is 60°F or lower. The coldest nights come around Dec 8, with an average low near 40°F.
- Rainy seasonOct 28 – Apr 21 · 91% of the year's rain
The rainy season runs from Oct 28 to Apr 21, when a day has at least a 22% chance of measurable rain. That stretch brings 91% of the year's rain.
The dark line marks today. Season dates come from the smoothed daily NOAA 1991-2020 normals. Counting from Oct. 1, a typical year has its first inch of rain by Oct 18 and half of its annual total by Jan 23.
Days per year and extremes (Nov 1, 2024 to Oct 31, 2026)
This record runs from Nov 1, 2024 to Oct 31, 2026. Over this record, Big Basin Redwoods State Park averaged 9 days a year at 90°F or hotter and no freezing nights. It averaged 23 days a year with at least half an inch of rain and 1 afternoon with wind of 20 mph or more at 2 PM. About 129 mornings a year had 3 or more hours of fog or low cloud.
In the same record, the hottest day was Sep 9, 2026 (97°F) and the coldest night was Feb 11, 2025 (33°F). The wettest day was Nov 14, 2025 (3.44 in.), and the strongest 2 PM gust was 53 mph on Feb 4, 2025.
- 9days at 90°F or hotter
- 0nights at or below freezing
- 23days with ½ in. of rain or more
- 1afternoon with 20+ mph wind
- 129mornings with 3+ hours of fog or low cloud
- Hottest day97°FSep 9, 2026
- Coldest night33°FFeb 11, 2025
- Wettest day3.44 inNov 14, 2025
- Strongest 2 PM gust53 mphFeb 4, 2025
What shapes Big Basin Redwoods State Park's weather
Big Basin's place behind the coastal ridges cuts both ways. When a summer or early-fall heat wave squeezes the cool ocean air into a thin band along the beaches, the basin heats quickly. The old-growth groves along the creeks stay shaded and cooler. The burned slopes and fire roads have far less canopy than before 2020, so they take the full sun.
Winter storms from the Pacific meet the Santa Cruz Mountains as the first high ground. Air forced up these slopes cools and drops far more rain here than falls on the coast at Santa Cruz. On burn-scarred hillsides that rain still brings down trees and loosens slopes. That is why the park may close during storms and why trail crews keep clearing storm damage.
On clear, calm nights the coldest air ends up on the lowest ground. Air cooled on the surrounding ridges drains downhill and settles along the creek bottoms. Early mornings at the visitor center are often colder than on the open ridgetops above it.
Tips for visiting Big Basin Redwoods State Park
Reserve parking for summer weekends
State Parks recommends parking reservations on summer and holiday weekends, and only a reservation guarantees entry. Oversized vehicles and trailers can't be accommodated for day use.
Carry all the water you need
There is no drinking water in the park, and temperatures can break 100°F on hot days.
Plan for no cell service
There's no cell service near the entrance, so download maps before you drive up. Some rideshare drivers drop visitors off but won't come back, so arrange your ride home before you go.
Take the summer weekend shuttle
From Memorial Day through Labor Day weekend, a free shuttle runs on summer weekends from a temporary lot at Saddle Mountain to the main day-use area.
Ask at the kiosk after storms
Repair work continues and down trees are common. Staff at the entrance kiosk can tell you whether your route is passable, and all trails close at sunset.
Big Basin Redwoods State Park through the seasons
- Spring (March–May)
- Creeks run high and the burned slopes green up. Late storms can still leave down trees across trails, so ask at the entrance kiosk whether your route is passable.
- Summer (June–August)
- Summer is the busiest season. The basin often sits above the coastal fog, heat waves can push afternoons past 100°F, and the free weekend shuttle runs from Memorial Day to Labor Day.
- Fall (September–October)
- September is as warm as August, and the forest is at its driest and most fire-prone before the first rains. Crowds thin after Labor Day.
- Winter (November–February)
- Winter brings the wettest months on these seaward slopes. Because of damage from the 2020 fire, the park is only partly open and may close during storms.
Activities and the weather that matters
- Redwood Loop walk: The easy 0.6-mile loop from the parking lot stays shaded and cool on hot afternoons, which makes it the best choice during a heat wave.
- Half-day viewpoint hikes: Ocean View Summit (4.2 miles total) and Mount McAbee Overlook (5.7 miles total) pay off on clear mornings. Skip them in midday heat, when the open slopes get hot.
- Fire-road rides: Bikes and horses can use the fire roads, including a 12-mile loop on the Gazos Creek, Johansen and Middle Ridge fire roads. Go in dry weather, because the roads turn muddy after storms.
- Waterfall loop: The 4.3-mile Sequoia and Skyline to the Sea loop passes Sempervirens Falls, which runs strongest in the weeks after winter rain.
Official sources and current conditions
- California State Parks: Big Basin Redwoods State Park
- Big Basin day-use parking reservations
- Big Basin trail conditions
- Reimagining Big Basin (rebuild updates)
Numbers on this page come from NOAA data. The text draws on the official sources linked above.
Historical Climate Data
Long-term weather patterns and climate data
Data sources: Recent temperatures come from NOAA URMA and recent precipitation from NOAA Stage IV. Fog, cloud, wind, humidity, and sunshine come from NOAA HRRR, and long-term baselines from NOAA 1991-2020 climate normals.
Climate Overview
Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline
🌟 Best Months to Visit
⚠️ Challenging Months
Monthly Breakdown
| Month | Comfort | High/Low | ☀️ Sun | 🌫️ Fog | 💧 Rain | Perfect |
|---|---|---|---|---|---|---|
| November 2024 | 78 | 58.7° / 43.7° | 6.6h | 3d | 5.68" | 18 |
| December 2024 | 73 | 60.5° / 46.1° | 5.3h | 10d | 7.67" | 15 |
| January 2025 | 82 | 58.4° / 40.8° | 6.8h | 4d | 0.28" | 21 |
| February 2025 | 73 | 58° / 42.5° | 6.2h | 8d | 12.35" | 13 |
| March 2025 | 71 | 55.8° / 42.3° | 7.4h | 8d | 5.13" | 14 |
| April 2025 | 81 | 61.2° / 43.8° | 9.1h | 14d | 0.82" | 17 |
| May 2025 | 86 | 68.4° / 47.7° | 10.8h | 13d | 0.2" | 21 |
| June 2025 | 90 | 71.6° / 50.3° | 12.5h | 9d | 0" | 28 |
| July 2025 | 88 | 72.5° / 52.3° | 11.7h | 16d | 0" | 29 |
| August 2025 | 91 | 80° / 55.1° | 11.2h | 8d | 0" | 30 |
| September 2025 | 86 | 74.6° / 57.2° | 8.9h | 13d | 0.18" | 25 |
| October 2025 | 86 | 67.9° / 50.8° | 7.9h | 5d | 2.08" | 23 |
| November 2025 | 80 | 64.5° / 48.6° | 6.5h | 4d | 7.42" | 19 |
| December 2025 | 75 | 63.1° / 48.1° | 5.4h | 7d | 5.27" | 18 |
| January 2026 | 79 | 63° / 46.3° | 6.5h | 5d | 7.56" | 21 |
| February 2026 | 74 | 61.9° / 46.1° | 6.7h | 5d | 8.32" | 16 |
| March 2026 | 92 | 74.6° / 52.4° | 9.6h | 4d | 0.02" | 27 |
| April 2026 | 80 | 62.3° / 46.2° | 8.6h | 7d | 5.62" | 18 |
| May 2026 | 86 | 67.3° / 48.5° | 11.1h | 10d | 0.67" | 25 |
| June 2026 | 88 | 71.7° / 52° | 11.4h | 12d | 0" | 27 |
| July 2026 | 90 | 76.5° / 54.6° | 11.3h | 10d | 0" | 28 |
| August 2026 | 89 | 78.7° / 54.7° | 10.8h | 13d | 0" | 29 |
| September 2026 | 91 | 75° / 53.2° | 10h | 9d | 0.09" | 29 |
| October 2026 | 87 | 73.9° / 53.5° | 8.1h | 3d | 0.37" | 27 |
Climate Trends
Average Temperature by Month
About the Big Basin Redwoods State Park climate charts
The temperature chart compares average monthly highs and lows at Big Basin Redwoods State Park, showing both the seasonal cycle and the typical day-to-night range. The comfort chart summarizes how often the combined weather pattern is favorable rather than judging temperature alone.
Precipitation shows the total recorded or modeled rainfall for each month at Big Basin Redwoods State Park. Sunshine compares average bright-sky hours with the daylight available, while fog shows the average number of morning fog or low-cloud hours per day. Switch between the chart tabs to compare the same months across each measure.
Hourly Temperature, Fog, Wind, Cloud Cover, and Solar Radiation Patterns
Average local hour by month from 2014-09-30 to 2026-04-30
- Temperature: At Big Basin Redwoods State Park, the warmest typical hour is 3 PM in August (75°F). The coldest is 7 AM in February (46°F).
- Fog: Fog or low cloud covers Big Basin Redwoods State Park in 50% of 8 AM hours in August, the foggiest month. It usually thins to a third of that by 11 AM. November mornings are the least foggy (11%).
- Wind: From April through September, wind at Big Basin Redwoods State Park typically builds after noon. In May it peaks around 3 PM, averaging 9 mph with 1% of those hours windy, while mornings average 5 mph.
- Cloud Cover: October middays are the clearest at Big Basin Redwoods State Park (19% average cloud cover), and May middays are the cloudiest (35%).
- Solar Radiation: The strongest typical sun at Big Basin Redwoods State Park comes at 1 PM in July, averaging 968 W/m².
How to read the hourly heatmaps for Big Basin Redwoods State Park
This heatmap shows how average temperature at Big Basin Redwoods State Park changes by hour and month. Read left to right for the seasons and top to bottom for the time of day. Warmer colors mark the usual afternoon peaks, and cooler colors show overnight and winter lows.
This heatmap shows when fog or low cloud is most likely at Big Basin Redwoods State Park. Darker cells mark the months and hours when fog has been most common. They help separate overnight or morning fog from cloud that tends to linger into the afternoon.
This heatmap shows the typical hourly wind pattern at Big Basin Redwoods State Park through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.
This heatmap shows average cloud cover at Big Basin Redwoods State Park for every month and hour. Use it to see whether cloudiness is mainly an overnight and morning pattern or commonly persists during the part of the day you plan to visit.
This heatmap shows the average solar radiation reaching Big Basin Redwoods State Park by month and hour. Brighter cells indicate the strongest typical sun, while muted cells can reflect nighttime, shorter winter days, cloud cover, smoke, or terrain shading.
Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage. The red marker shows the current month and hour.
How recent months compared at Big Basin Redwoods State Park
- October 2026 recap: October 2026 at Big Basin Redwoods State Park averaged a high of 74°F, 6°F warmer than October 2025 (68°F).
- Rain year: The 2025-26 rain year (Oct. 1 to Sep. 30) brought 37.1 in. of rain to Big Basin Redwoods State Park, 85% of the 43.8 in. normal.
Location Details
Big Basin Redwoods State Park weather questions
Everything you need to know about weather and visiting Big Basin Redwoods State Park
What is the weather like at Big Basin Redwoods State Park today?
It's 53°F at Big Basin Redwoods State Park right now, with a comfort score of 77 (great). Monday's forecast high at Big Basin Redwoods State Park is 53°F, 10°F below the mid November normal of 63°F. The best window today is 10 AM to 1 PM, at about 51°F with a 7 mph wind (comfort 54).
What is the best month to visit Big Basin Redwoods State Park?
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Big Basin Redwoods State Park are August, September, and July. The best hours are usually 10 AM to 1 PM in August, 11 AM to 2 PM in September, and 11 AM to 2 PM in July. The warm season lasts about 3 months, from Jun 30 to Sep 29, when the average high is 76°F or warmer. Highs peak around Aug 8 at about 79°F.
What are the warmest and coldest months at Big Basin Redwoods State Park?
August is the warmest month at Big Basin Redwoods State Park, with an average high of 79°F. December is the coldest, with an average low of 40°F.
When does the fog burn off at Big Basin Redwoods State Park?
Fog or low cloud covers Big Basin Redwoods State Park in 50% of 8 AM hours in August, the foggiest month. It usually thins to a third of that by 11 AM. November mornings are the least foggy (11%).
When is it windiest at Big Basin Redwoods State Park?
From April through September, wind at Big Basin Redwoods State Park typically builds after noon. In May it peaks around 3 PM, averaging 9 mph with 1% of those hours windy, while mornings average 5 mph.
How much rain does Big Basin Redwoods State Park get?
January is the wettest month (9.1 in.), out of about 43.8 in. a year. The rainy season runs from Oct 28 to Apr 21, when a day has at least a 22% chance of measurable rain. That stretch brings 91% of the year's rain. The 2025-26 rain year (Oct. 1 to Sep. 30) brought 37.1 in. of rain to Big Basin Redwoods State Park, 85% of the 43.8 in. normal.
How does Big Basin Redwoods State Park weather compare with Boulder Creek?
Boulder Creek, 6.8 miles away, runs about 10°F warmer than Big Basin Redwoods State Park on summer afternoons. It also has far less summer morning fog, 13% of morning hours compared with 38%.
Is Big Basin open after the fire?
Big Basin has reopened in stages since the 2020 fire. Day-use areas are open from 8 a.m. to sunset, and many trails and fire roads are open again. The campgrounds closed while the Reimagining Big Basin project rebuilds park facilities, so check the park page before planning to camp.
What kind of place is Big Basin Redwoods State Park?
California's oldest state park, set aside in 1902, fills a bowl of the Santa Cruz Mountains about nine miles up Highway 236 from Boulder Creek. Its small creeks gather into Waddell Creek on the way to the sea. It holds the largest continuous stand of old-growth coast redwoods south of San Francisco. The 2020 CZU Lightning Complex Fire burned about 97% of the park and destroyed all of its historic buildings. Most of the old-growth redwoods survived, and visitors now walk among scorched but living giants while California State Parks rebuilds.
What is Big Basin Redwoods State Park weather like in November?
November at Big Basin Redwoods State Park averages a high of 63°F and a low of 43°F, with 4.4 in. of rain over about 9 rainy days. About 11% of morning hours are foggy. Afternoon wind averages 6 mph.
More about Big Basin Redwoods State Park weather
Guides that explain the weather here and nearby
Data sources and methods
- Monthly temperatures and precipitation: NOAA 1991-2020 normals.
- Fog, cloud, wind, sun, and comfort by hour and month: NOAA's HRRR hourly analysis from September 2014 to April 2026.
- Daily records and recent months: NOAA URMA and HRRR analyses, plus NOAA Stage IV precipitation.
- Nearby comparisons and regional rankings use the same hourly HRRR summaries for every destination in the region.
- Alerts: National Weather Service. Tides and ocean temperature: NOAA CO-OPS, where shown.
- All statements on this page are computed from these datasets, apart from the “What shapes the weather” guide, which cites its sources inline.
- California State Parks, Big Basin Redwoods State Park (accessed 2026-10-27)
- California State Parks, Big Basin Redwoods State Park information sheet (May 2026) (accessed 2026-10-27)
- California State Parks, Big Basin trail conditions (accessed 2026-10-27)
Rendered 2026-11-15T12:16:28.317Z.