Tilden Regional Park Weather
Park • San Francisco Bay Area
Tilden fills the upper Wildcat Creek canyon just behind the crest of the Berkeley Hills. It runs between Grizzly Peak Boulevard on the ridge and Inspiration Point on Wildcat Canyon Road, with Vollmer Peak at its south end. The East Bay Regional Park District opened it in 1936, and it packs more attractions into one canyon than any of its neighbors. Lake Anza has a swim beach, and the Regional Parks Botanic Garden grows California native plants. The park also has a 1911 carousel, a miniature steam train, the Little Farm, a golf course and the Tilden Nature Area.
Plan your week
10-Day Forecast
Hour by hour
Hourly Forecast
Current Conditions
Comfort Breakdown
Tilden Regional Park weather today and through the year
It's 53°F at Tilden Regional Park right now (feels like 48°F), with 10 mph wind and a comfort score of 75. Monday's forecast high at Tilden Regional Park is 53°F, 10°F below the mid November normal of 63°F. Fog is forecast to linger into the afternoon today at Tilden Regional Park. In November, fog here usually thins by 3 PM. The best window today is 8 AM to 11 AM, at about 51°F with a 8 mph wind (comfort 50).
August is the warmest month at Tilden Regional Park, with an average high of 80°F. January is the coldest, with an average low of 42°F. December is the wettest month (5.8 in.), out of about 28.7 in. a year. By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Tilden Regional Park are September, August, and July. The best hours are usually 2 PM to 5 PM in September, 1 PM to 4 PM in August, and noon to 3 PM in July.
Tilden sits on the inland side of the first ridge, but only just. Its canyon floor is lower than the crest along Grizzly Peak Boulevard. The marine layer is the cool, damp ocean air beneath the fog. On summer days when it is deep, cloud spills over the ridge from Berkeley and settles into the park. Fog then drips from the eucalyptus and pines. When the marine layer is shallow, the ridge holds it back and Tilden is sunny and clearly warmer than the Berkeley flats.
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 Tilden Regional Park in the next few days
No active National Weather Service alerts for this location.
Fog
Fog is forecast to linger into the afternoon today at Tilden Regional Park. In November, fog here usually thins by 3 PM.
Best time to go
The best window today is 8 AM to 11 AM, at about 51°F with a 8 mph wind (comfort 50).
Hiking conditions
Best hiking day this week: Monday, 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 Tilden Regional Park, with a 58°F high and midday comfort near 77. Today looks weakest (45).
Rain
Next good chance of rain: today (72%, about 0.42 in.).
Live weather map
Weather around Tilden Regional Park right now
Overcast and 53° at Tilden Regional Park right now.
About the live weather map for Tilden Regional Park
The map centers on Tilden Regional 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.
Tilden Regional Park vs nearby places
Typical summer conditions compared with Tilden Regional 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 Tilden Regional Park |
|---|---|---|---|---|---|
| Grizzly Peak | 1.1 mi | same | 49% | 10 mph | a very similar climate |
| Downtown Berkeley | 2.1 mi | -2°F | 41% | 7 mph | calmer summer afternoons (7 vs 10 mph) |
| Solano Avenue | 2.1 mi | -2°F | 51% | 9 mph | a very similar climate |
| Danville | 14.3 mi | +15°F | 3% | 8 mph | less summer morning fog (3% vs 49% of morning hours) and about 15°F warmer on summer afternoons |
| Black Diamond Mines Regional Preserve | 21.2 mi | +15°F | 2% | 14 mph | less summer morning fog (2% vs 49% of morning hours) and about 15°F warmer on summer afternoons |
| Pittsburg | 21.7 mi | +18°F | 2% | 10 mph | less summer morning fog (2% vs 49% of morning hours) and about 18°F warmer on summer afternoons |
Places with a climate like Tilden Regional Park's
- Garin Regional Park (22 mi away): similar temperatures through the year
- Noe Valley (14 mi away): similar temperatures through the year
- La Honda (40 mi away): similar temperatures through the year
Climate Dashboard
Current conditions vs. NOAA normals and recent destination baseline
What the Tilden Regional Park climate comparisons mean
These cards compare recent conditions at Tilden Regional 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 Tilden Regional 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.
Tilden Regional Park weather by month
August is the warmest month at Tilden Regional Park, with an average high of 80°F. January is the coldest, with an average low of 42°F. December is the wettest month (5.8 in.), out of about 28.7 in. a year. Morning fog peaks in August, when fog or low cloud covers 55% of the hours from 6 to 10 AM. July has the clearest middays, with clouds covering about 14% of the sky from 11 AM to 3 PM.
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Tilden Regional Park are September, August, and July. The best hours are usually 2 PM to 5 PM in September, 1 PM to 4 PM in August, and noon to 3 PM in July.
| Month | Avg high | Avg low | Rain | Rainy days | Morning fog | Midday cloud | Afternoon wind | Daylight | Comfort |
|---|---|---|---|---|---|---|---|---|---|
| Jan | 55°F | 42°F | 5.6 in | 10 | 20% | 35% | 8 mph | 9.8 h | 28 |
| Feb | 58°F | 43°F | 5.4 in | 10 | 18% | 28% | 8 mph | 10.7 h | 36 |
| Mar | 62°F | 44°F | 4.3 in | 9 | 20% | 32% | 9 mph | 11.9 h | 57 |
| Apr | 65°F | 45°F | 1.9 in | 6 | 26% | 24% | 10 mph | 13.2 h | 67 |
| May | 70°F | 49°F | 0.9 in | 4 | 38% | 24% | 11 mph | 14.2 h | 67 |
| Jun | 75°F | 52°F | 0.2 in | 2 | 39% | 14% | 11 mph | 14.8 h | 79 |
| Jul | 79°F | 55°F | 0.0 in | 0 | 54% | 14% | 11 mph | 14.5 h | 83 |
| Aug | 80°F | 56°F | 0.0 in | 1 | 55% | 14% | 10 mph | 13.6 h | 86 |
| Sep | 79°F | 57°F | 0.1 in | 2 | 37% | 16% | 9 mph | 12.3 h | 89 |
| Oct | 73°F | 53°F | 1.3 in | 5 | 21% | 18% | 7 mph | 11.1 h | 83 |
| Nov | 63°F | 47°F | 3.0 in | 7 | 16% | 23% | 7 mph | 10.0 h | 62 |
| Dec | 55°F | 42°F | 5.8 in | 10 | 25% | 36% | 8 mph | 9.5 h | 27 |
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.
In summer, recent daily NOAA readings at Tilden Regional Park average about 8°F cooler than the 1991-2020 normals. The normals average over a wider area that also covers nearby terrain. Read the monthly highs as a rough range, and use the recent months below for what Tilden Regional Park has actually seen.
What makes Tilden Regional Park's weather different
When the fog burns off
11 AMwhen August fog usually thins (63% foggy at 8 AM)
Fog or low cloud covers Tilden Regional Park in 63% 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 (16%).
When the wind picks up
2 PMwhen afternoon wind builds, April–June
From April through June, wind at Tilden Regional Park typically builds after 2 PM. In May it peaks around 5 PM, averaging 12 mph with 13% of those hours windy, while mornings average 8 mph.
Daylight
9.5–14.8 hof daylight, Dec to Jun
Days at Tilden Regional Park range from about 9.5 hours in December to 14.8 hours in June. In mid-June the sun sets around 8:33 PM, and in mid-December around 4:54 PM.
Seasons at Tilden Regional Park
- Warm seasonJul 1 – Sep 28 · highs 77°F+
The warm season lasts about 3 months, from Jul 1 to Sep 28, when the average high is 77°F or warmer. Highs peak around Aug 8 at about 80°F.
- Cool seasonNov 29 – Feb 27 · highs 60°F or lower
The cool season runs from Nov 29 to Feb 27, when the average high is 60°F or lower. The coldest nights come around Jan 8, with an average low near 42°F.
- Rainy seasonNov 3 – Apr 12 · 86% of the year's rain
The rainy season runs from Nov 3 to Apr 12, when a day has at least a 20% chance of measurable rain. That stretch brings 86% 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 25 and half of its annual total by Jan 24.
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, Tilden Regional Park averaged 3 days a year at 90°F or hotter and no freezing nights. It averaged 18 days a year with at least half an inch of rain and 2 afternoons with wind of 20 mph or more at 2 PM. About 151 mornings a year had 3 or more hours of fog or low cloud.
In the same record, the hottest day was Oct 3, 2026 (94°F) and the coldest night was Feb 18, 2026 (35°F). The wettest day was Nov 23, 2024 (2.80 in.), and the strongest 2 PM gust was 50 mph on Feb 4, 2025.
- 3days at 90°F or hotter
- 0nights at or below freezing
- 18days with ½ in. of rain or more
- 2afternoons with 20+ mph wind
- 151mornings with 3+ hours of fog or low cloud
- Hottest day94°FOct 3, 2026
- Coldest night35°FFeb 18, 2026
- Wettest day2.80 inNov 23, 2024
- Strongest 2 PM gust50 mphFeb 4, 2025
What shapes Tilden Regional Park's weather
Tilden Regional Park straddles two climates. Inspiration Point and Nimitz Way, on the eastern ridge, look out over the San Pablo Reservoir valley toward hotter, sunnier inland Contra Costa. The Botanic Garden and Jewel Lake sit in shaded canyon bottoms that stay cool and damp. On clear winter nights cold air drains into those bottoms, which makes them the chilliest spots in the park at dawn.
Fire weather is the other concern. Eucalyptus, brush and grass dry out by late summer, and the district thins vegetation here to cut wildfire hazard. It has closed Tilden's trails during Red Flag Warnings, the weather service's alerts for hot, dry, windy fire weather. Winter rain brings out the newts, and South Park Drive closes to cars for their migration.
Tips for visiting Tilden Regional Park
Swim Lake Anza in season
Lifeguards staff the sandy swim beach during swim season, normally May through September. Dogs aren't allowed in the swim area.
Use South Park Drive only in the dry season
South Park Drive closes to cars from November 1 to April 1 to protect migrating newts.
Save the Botanic Garden for gray days
The shaded garden of California native plants suits a foggy day. It opens daily at 8:30 a.m. and closes at 5:30 p.m. June to September, 5 p.m. the rest of the year.
Check closures on hot, windy days
The district can close Tilden's trails during a Red Flag Warning or heat warning while shoreline parks and swim areas stay open. Look at the district's alerts page before heading up to Tilden on a hot, windy day.
Tilden Regional Park through the seasons
- Spring (March–May)
- Spring brings green hills, running creeks and the start of Lake Anza's swim season in May.
- Summer (June–August)
- Summer days are sunny or foggy, depending on how deep the marine layer is. Satellite imagery has shown marine cloud flowing in through the Golden Gate and forming new cloud as it meets the Berkeley Hills.
- Fall (September–October)
- Fall is warm, dry and the most fire-prone time of year. Elevated fire-danger signs are common from May through October.
- Winter (November–February)
- South Park Drive closes for the newt migration, trails turn muddy, and the canyon bottoms are cold and damp.
Activities and the weather that matters
- Swimming at Lake Anza: Go on a warm, sunny day in swim season. On deep-fog days the lake stays gray and cool.
- Hiking and biking Nimitz Way: The paved ridge route from Inspiration Point can sit above the fog when the marine layer is shallow. It is exposed to wind and summer heat.
- Botanic Garden: The garden works in almost any weather and is at its most atmospheric on misty mornings.
- Steam train and merry-go-round: Both make family outings on mild days year-round, and the carousel is under cover.
Official sources and current conditions
- East Bay Regional Park District: Tilden Regional Park
- Tilden trail map and brochure (PDF)
- East Bay Regional Park District: Alerts and closures
- East Bay Regional Park District: Fire danger levels
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 | 76 | 57.5° / 47.4° | 6.3h | 4d | 4.65" | 18 |
| December 2024 | 67 | 55.6° / 47.5° | 4.9h | 10d | 6.81" | 12 |
| January 2025 | 79 | 55.5° / 44.5° | 7h | 6d | 0.25" | 19 |
| February 2025 | 72 | 56° / 44.7° | 6.6h | 6d | 8.53" | 13 |
| March 2025 | 75 | 56° / 44.6° | 7.6h | 8d | 2.39" | 15 |
| April 2025 | 82 | 60° / 46.5° | 9.5h | 13d | 0.35" | 18 |
| May 2025 | 88 | 66.2° / 50.3° | 11.9h | 9d | 0.23" | 24 |
| June 2025 | 86 | 66.3° / 51° | 12.4h | 14d | 0" | 21 |
| July 2025 | 81 | 65.7° / 52.7° | 11.3h | 20d | 0" | 16 |
| August 2025 | 90 | 73.6° / 56.4° | 11.3h | 13d | 0.01" | 29 |
| September 2025 | 85 | 71.7° / 58.1° | 9h | 10d | 0.12" | 21 |
| October 2025 | 84 | 66.2° / 53.6° | 7.8h | 8d | 1.65" | 20 |
| November 2025 | 75 | 59.5° / 50° | 6.4h | 10d | 3.72" | 12 |
| December 2025 | 65 | 54.3° / 45° | 5.1h | 13d | 5.46" | 5 |
| January 2026 | 76 | 57.7° / 47.8° | 6.5h | 5d | 4.45" | 20 |
| February 2026 | 73 | 59° / 47.7° | 6.5h | 10d | 5.35" | 14 |
| March 2026 | 94 | 70.9° / 54.2° | 9.8h | 4d | 0.05" | 26 |
| April 2026 | 80 | 60.6° / 48.2° | 9.3h | 11d | 4.74" | 16 |
| May 2026 | 85 | 64.4° / 50.8° | 11.5h | 13d | 0.63" | 20 |
| June 2026 | 86 | 67.2° / 53° | 12h | 11d | 0" | 21 |
| July 2026 | 88 | 71° / 55.2° | 11.6h | 14d | 0" | 26 |
| August 2026 | 85 | 71.8° / 55.5° | 10.8h | 16d | 0" | 27 |
| September 2026 | 88 | 70.7° / 55.7° | 9.8h | 8d | 0.37" | 23 |
| October 2026 | 87 | 71.9° / 56.5° | 8.3h | 4d | 0.43" | 25 |
Climate Trends
Average Temperature by Month
About the Tilden Regional Park climate charts
The temperature chart compares average monthly highs and lows at Tilden Regional 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 Tilden Regional 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 Tilden Regional Park, the warmest typical hour is 3 PM in September (72°F). The coldest is 7 AM in December (45°F).
- Fog: Fog or low cloud covers Tilden Regional Park in 63% 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 (16%).
- Wind: From April through June, wind at Tilden Regional Park typically builds after 2 PM. In May it peaks around 5 PM, averaging 12 mph with 13% of those hours windy, while mornings average 8 mph.
- Cloud Cover: July middays are the clearest at Tilden Regional Park (14% average cloud cover), and December middays are the cloudiest (36%).
- Solar Radiation: The strongest typical sun at Tilden Regional Park comes at 1 PM in June, averaging 987 W/m².
How to read the hourly heatmaps for Tilden Regional Park
This heatmap shows how average temperature at Tilden Regional 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 Tilden Regional 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 Tilden Regional 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 Tilden Regional 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 Tilden Regional 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 Tilden Regional Park
- October 2026 recap: October 2026 at Tilden Regional Park averaged a high of 72°F, 6°F warmer than October 2025 (66°F).
- Rain year: The 2025-26 rain year (Oct. 1 to Sep. 30) brought 26.4 in. of rain to Tilden Regional Park, 92% of the 28.7 in. normal.
Location Details
Tilden Regional Park weather questions
Everything you need to know about weather and visiting Tilden Regional Park
What is the weather like at Tilden Regional Park today?
It's 53°F at Tilden Regional Park right now, with a comfort score of 75 (great). Monday's forecast high at Tilden Regional Park is 53°F, 10°F below the mid November normal of 63°F. The best window today is 8 AM to 11 AM, at about 51°F with a 8 mph wind (comfort 50).
What is the best month to visit Tilden Regional Park?
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Tilden Regional Park are September, August, and July. The best hours are usually 2 PM to 5 PM in September, 1 PM to 4 PM in August, and noon to 3 PM in July. The warm season lasts about 3 months, from Jul 1 to Sep 28, when the average high is 77°F or warmer. Highs peak around Aug 8 at about 80°F.
What are the warmest and coldest months at Tilden Regional Park?
August is the warmest month at Tilden Regional Park, with an average high of 80°F. January is the coldest, with an average low of 42°F.
When does the fog burn off at Tilden Regional Park?
Fog or low cloud covers Tilden Regional Park in 63% 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 (16%).
When is it windiest at Tilden Regional Park?
From April through June, wind at Tilden Regional Park typically builds after 2 PM. In May it peaks around 5 PM, averaging 12 mph with 13% of those hours windy, while mornings average 8 mph.
How much rain does Tilden Regional Park get?
December is the wettest month (5.8 in.), out of about 28.7 in. a year. The rainy season runs from Nov 3 to Apr 12, when a day has at least a 20% chance of measurable rain. That stretch brings 86% of the year's rain. The 2025-26 rain year (Oct. 1 to Sep. 30) brought 26.4 in. of rain to Tilden Regional Park, 92% of the 28.7 in. normal.
What kind of place is Tilden Regional Park?
Tilden fills the upper Wildcat Creek canyon just behind the crest of the Berkeley Hills. It runs between Grizzly Peak Boulevard on the ridge and Inspiration Point on Wildcat Canyon Road, with Vollmer Peak at its south end. The East Bay Regional Park District opened it in 1936, and it packs more attractions into one canyon than any of its neighbors. Lake Anza has a swim beach, and the Regional Parks Botanic Garden grows California native plants. The park also has a 1911 carousel, a miniature steam train, the Little Farm, a golf course and the Tilden Nature Area.
What is Tilden Regional Park weather like in November?
November at Tilden Regional Park averages a high of 63°F and a low of 47°F, with 3.0 in. of rain over about 7 rainy days. About 16% of morning hours are foggy. Afternoon wind averages 7 mph.
More about Tilden Regional 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.
- East Bay Regional Park District, Tilden Regional Park (accessed 2026-10-27)
- East Bay Regional Park District, Tilden Regional Park brochure and map (accessed 2026-10-27)
- East Bay Regional Park District, hill and inland park closures for Red Flag and heat warnings (July 1, 2024) (accessed 2026-10-27)
- East Bay Regional Park District, Fire Danger Levels and Restrictions (accessed 2026-10-27)
- CIMSS Satellite Blog (University of Wisconsin), fog and stratus dissipation in the San Francisco Bay Area (Sept. 3, 2018) (accessed 2026-10-27)
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