Tennessee Valley Beach Weather
Beach • San Francisco Bay Area
Tennessee Valley Beach is a pocket of sand between bluffs at Tennessee Cove, and no road reaches it. A well-groomed trail of about 1.75 miles follows an open valley from the trailhead parking lot to the Pacific. The cove is part of Golden Gate National Recreation Area, run by the National Park Service. Arriving on foot, past grassland and a small pond, sets it apart from Muir Beach and Rodeo Beach, each within about two miles. At both of those you can park within sight of the water.
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10-Day Forecast
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Hourly Forecast
Current Conditions
Comfort Breakdown
Tennessee Valley Beach weather today and through the year
It's 58°F at Tennessee Valley Beach right now (feels like 54°F), with 11 mph wind and a comfort score of 80. Monday's forecast high at Tennessee Valley Beach is 56°F, 6°F below the mid November normal of 62°F. No fog in the forecast for today at Tennessee Valley Beach. In November, 14% of morning hours here are foggy on average. The best window today is 9 AM to noon, at about 53°F with a 7 mph wind (comfort 58).
September is the warmest month at Tennessee Valley Beach, with an average high of 71°F. January is the coldest, with an average low of 44°F. December is the wettest month (7.3 in.), out of about 33.5 in. a year. By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Tennessee Valley Beach are September, October, and August. The best hours are usually noon to 3 PM in September, 1 PM to 4 PM in October, and 11 AM to 2 PM in August.
The beach sits at the seaward mouth of a straight valley that runs inland from the Pacific toward Tamalpais Valley. That shape works like a channel. On summer afternoons the sea breeze and the marine layer, the low blanket of ocean fog and cloud, move up the valley from the cove. The trailhead can be sunny and calm while the beach ahead is gray and windy.
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 Tennessee Valley Beach in the next few days
Active National Weather Service alerts
- High Surf Advisory until Tue 4:00 AM
Fog
No fog in the forecast for today at Tennessee Valley Beach. In November, 14% of morning hours here are foggy on average.
Best time to go
The best window today is 9 AM to noon, at about 53°F with a 7 mph wind (comfort 58).
Best day this week
Of the next 7 days, Friday looks best for Tennessee Valley Beach, with a 61°F high and midday comfort near 79. Today looks weakest (49).
Rain
Next good chance of rain: today (83%, about 0.51 in.).
Tides (San Francisco (Golden Gate))
- High 4.4 ft at 4:47 AM today
- Low 3.6 ft at 9:14 AM today
- High 4.9 ft at 2:27 PM today
- Low 0.3 ft at 9:39 PM today
Live weather map
Weather around Tennessee Valley Beach right now
Overcast and 58° at Tennessee Valley Beach right now.
About the live weather map for Tennessee Valley Beach
The map centers on Tennessee Valley Beach 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.
Tennessee Valley Beach vs nearby places
Typical summer conditions compared with Tennessee Valley Beach, 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 Tennessee Valley Beach |
|---|---|---|---|---|---|
| Rodeo Beach | 1 mi | -4°F | 48% | 13 mph | about 4°F cooler on summer afternoons |
| Marin Headlands | 1.6 mi | +2°F | 46% | 16 mph | windier summer afternoons (16 vs 12 mph) |
| Muir Beach | 1.8 mi | +3°F | 49% | 12 mph | a very similar climate |
| Novato | 18.4 mi | +20°F | 17% | 9 mph | about 20°F warmer on summer afternoons and less summer morning fog (17% vs 52% of morning hours) |
| Lafayette | 23.8 mi | +21°F | 13% | 9 mph | about 21°F warmer on summer afternoons and less summer morning fog (13% vs 52% of morning hours) |
| Alhambra Valley | 24.3 mi | +20°F | 14% | 11 mph | about 20°F warmer on summer afternoons and less summer morning fog (14% vs 52% of morning hours) |
Places with a climate like Tennessee Valley Beach's
- Pacifica (16 mi away): nearly the same temperatures every month
- Half Moon Bay State Beach (26 mi away): nearly the same temperatures every month
- Montara (21 mi away): similar temperatures through the year
Climate Dashboard
Current conditions vs. NOAA normals and recent destination baseline
What the Tennessee Valley Beach climate comparisons mean
These cards compare recent conditions at Tennessee Valley Beach 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 Tennessee Valley Beach 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.
Tennessee Valley Beach weather by month
September is the warmest month at Tennessee Valley Beach, with an average high of 71°F. January is the coldest, with an average low of 44°F. December is the wettest month (7.3 in.), out of about 33.5 in. a year. Morning fog peaks in July, when fog or low cloud covers 59% of the hours from 6 to 10 AM. November has the clearest middays, with clouds covering about 26% of the sky from 11 AM to 3 PM.
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Tennessee Valley Beach are September, October, and August. The best hours are usually noon to 3 PM in September, 1 PM to 4 PM in October, and 11 AM to 2 PM in August.
| Month | Avg high | Avg low | Rain | Rainy days | Morning fog | Midday cloud | Afternoon wind | Daylight | Comfort |
|---|---|---|---|---|---|---|---|---|---|
| Jan | 56°F | 44°F | 6.4 in | 11 | 17% | 36% | 9 mph | 9.8 h | 24 |
| Feb | 58°F | 46°F | 6.4 in | 10 | 13% | 29% | 10 mph | 10.7 h | 37 |
| Mar | 60°F | 46°F | 4.7 in | 9 | 16% | 34% | 11 mph | 11.9 h | 56 |
| Apr | 62°F | 48°F | 2.2 in | 6 | 22% | 32% | 13 mph | 13.2 h | 56 |
| May | 64°F | 50°F | 1.0 in | 4 | 30% | 37% | 13 mph | 14.2 h | 60 |
| Jun | 68°F | 52°F | 0.3 in | 2 | 43% | 34% | 13 mph | 14.8 h | 68 |
| Jul | 69°F | 53°F | 0.0 in | 1 | 59% | 44% | 12 mph | 14.5 h | 67 |
| Aug | 71°F | 55°F | 0.1 in | 1 | 54% | 42% | 11 mph | 13.6 h | 74 |
| Sep | 71°F | 55°F | 0.1 in | 2 | 38% | 34% | 11 mph | 12.3 h | 81 |
| Oct | 69°F | 52°F | 1.5 in | 5 | 20% | 27% | 9 mph | 11.1 h | 77 |
| Nov | 62°F | 48°F | 3.6 in | 8 | 14% | 26% | 8 mph | 10.0 h | 62 |
| Dec | 56°F | 45°F | 7.3 in | 11 | 22% | 38% | 9 mph | 9.5 h | 22 |
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 Tennessee Valley Beach average about 9°F cooler than the 1991-2020 normals. The normals average over a wider area that also covers warmer land behind the shoreline. Read the monthly highs as a rough range, and use the recent months below for what Tennessee Valley Beach has actually seen.
What makes Tennessee Valley Beach's weather different
Among the 17 San Francisco Bay Area beaches we track, Tennessee Valley Beach has the 2nd-foggiest summer mornings.
- #2of 17
foggiest summer morningsamong San Francisco Bay Area beaches
When the fog burns off
64%of 8 AM hours foggy in July
Fog or low cloud covers Tennessee Valley Beach in 64% of 8 AM hours in July, the foggiest month. It often lingers, and 30% of mid-afternoon hours are still foggy. February mornings are the least foggy (13%).
When the wind picks up
1 PMwhen afternoon wind builds, March–October
From March through October, wind at Tennessee Valley Beach typically builds after 1 PM. In May it peaks around 5 PM, averaging 14 mph with 42% of those hours windy, while mornings average 7 mph.
Microclimate
−4°FRodeo Beach, 1 mi away, on summer afternoons
Rodeo Beach, 1 mile away, runs about 4°F cooler than Tennessee Valley Beach on summer afternoons.
Daylight
9.5–14.8 hof daylight, Dec to Jun
Days at Tennessee Valley Beach range from about 9.5 hours in December to 14.8 hours in June. In mid-June the sun sets around 8:34 PM, and in mid-December around 4:55 PM.
Seasons at Tennessee Valley Beach
- Warm seasonJul 6 – Oct 5 · highs 69°F+
The warm season lasts about 3 months, from Jul 6 to Oct 5, when the average high is 69°F or warmer. Highs peak around Sep 8 at about 71°F.
- Cool seasonDec 1 – Feb 26 · highs 59°F or lower
The cool season runs from Dec 1 to Feb 26, when the average high is 59°F or lower. The coldest nights come around Jan 8, with an average low near 44°F.
- Rainy seasonOct 27 – Apr 18 · 89% of the year's rain
The rainy season runs from Oct 27 to Apr 18, when a day has at least a 20% chance of measurable rain. That stretch brings 89% 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 21 and half of its annual total by Jan 22.
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, Tennessee Valley Beach averaged no days at 90°F or hotter and no freezing nights. It averaged 20 days a year with at least half an inch of rain and 12 afternoons with wind of 20 mph or more at 2 PM. About 174 mornings a year had 3 or more hours of fog or low cloud.
In the same record, the hottest day was Sep 9, 2026 (84°F) and the coldest night was Feb 20, 2026 (40°F). The wettest day was Nov 23, 2024 (2.76 in.), and the strongest 2 PM gust was 49 mph on Mar 12, 2025.
- 0days at 90°F or hotter
- 0nights at or below freezing
- 20days with ½ in. of rain or more
- 12afternoons with 20+ mph wind
- 174mornings with 3+ hours of fog or low cloud
- Hottest day84°FSep 9, 2026
- Coldest night40°FFeb 20, 2026
- Wettest day2.76 inNov 23, 2024
- Strongest 2 PM gust49 mphMar 12, 2025
What shapes Tennessee Valley Beach's weather
The Tennessee Valley Trail has almost no shelter from the weather. The valley floor and its grassy slopes have little tree cover, and the cove opens straight to the west, into the usual sea wind. A walker heading for the beach on a summer afternoon usually has that wind in the face.
Fall brings the best odds of a clear walk, after the summer sea breeze weakens and the fog thins. Winter storms bring rain and big surf to Tennessee Cove. Heavy rain also fills the small pond behind an earthen dam near the beach, and high water there can close the trail.
Tips for visiting Tennessee Valley Beach
Plan on 1.75 miles each way
The trail from the parking lot to the beach is about 1.75 miles, and the last stretch down to the sand is steep.
Bring your own water
There's no drinking water at Tennessee Valley. Restrooms are next to the parking area, with a vault toilet near the beach end of the trail.
Leave dogs at home
The Tennessee Valley Trail is closed to dogs.
Don't swim here
The Parks Conservancy warns of hazardous surf and says swimming is not recommended.
Carry a layer on sunny days
The Park Service warns that sunny days along this coast can turn windy, foggy, and cold very fast.
Reach the second beach at low tide
At low tide you can get around the south end of the cove to another small beach. Check the tide predictions before you set out.
Tennessee Valley Beach through the seasons
- Spring (March–May)
- The valley is green and the afternoon wind off the ocean builds through the season. Fog returns to the cove by late spring.
- Summer (June–August)
- Summer is fog season. The beach end of the trail is often fogged in and windy in the afternoon, even when the parking lot is in sun.
- Fall (September–November)
- Fall gives the best odds for a clear, calm beach as the summer fog pattern fades. Mornings can still start gray.
- Winter (December–February)
- Winter brings rain and large surf. When water in the pond behind the earthen dam runs high, park staff close access to the beach and trail.
Activities and the weather that matters
- Walking to the cove: The wide, well-groomed trail works in any season. Expect a headwind toward the beach on summer afternoons and a chill once you stop.
- Exploring the cove at low tide: Go at low tide when the surf is modest. Stay well back from the water when winter swells are running.
- Beach picnics: Picnics are best on calm, clear fall days. Summer wind and fog make the sand cold by early afternoon.
Official sources and current conditions
- NPS: Tennessee Valley Trail
- Parks Conservancy: Tennessee Valley Beach
- NOAA tide predictions: San Francisco (Golden Gate)
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 | 74 | 57.5° / 50° | 6.2h | 6d | 6.39" | 16 |
| December 2024 | 66 | 56° / 49° | 4.6h | 12d | 8.81" | 10 |
| January 2025 | 79 | 55.6° / 47.2° | 7h | 5d | 0.26" | 18 |
| February 2025 | 70 | 55.2° / 47.1° | 6.4h | 9d | 9.43" | 11 |
| March 2025 | 73 | 54.5° / 46.4° | 7.5h | 7d | 2.66" | 11 |
| April 2025 | 74 | 54.4° / 47.9° | 8.4h | 14d | 0.36" | 9 |
| May 2025 | 80 | 58.4° / 49.4° | 11h | 11d | 0.16" | 15 |
| June 2025 | 72 | 56.8° / 50° | 8.6h | 23d | 0" | 10 |
| July 2025 | 67 | 57.1° / 52.4° | 7h | 28d | 0" | 2 |
| August 2025 | 77 | 61.9° / 55° | 8.8h | 20d | 0" | 14 |
| September 2025 | 79 | 63.8° / 57.4° | 7.7h | 16d | 0.1" | 13 |
| October 2025 | 80 | 63.1° / 55° | 7.3h | 6d | 0.88" | 18 |
| November 2025 | 71 | 58.4° / 51.6° | 6.1h | 14d | 3.9" | 7 |
| December 2025 | 61 | 52.9° / 46.3° | 4.9h | 12d | 5.92" | 5 |
| January 2026 | 75 | 57.6° / 49.6° | 6.5h | 5d | 5.65" | 17 |
| February 2026 | 71 | 57.8° / 50.1° | 6.1h | 4d | 6.67" | 13 |
| March 2026 | 90 | 64.3° / 52.5° | 9.5h | 4d | 0.05" | 25 |
| April 2026 | 78 | 58.5° / 50.7° | 8.9h | 8d | 4.07" | 14 |
| May 2026 | 77 | 58.3° / 50.7° | 10.1h | 15d | 0.72" | 12 |
| June 2026 | 75 | 59.8° / 52.6° | 8.5h | 18d | 0.01" | 12 |
| July 2026 | 78 | 60.8° / 53.7° | 9.8h | 16d | 0" | 16 |
| August 2026 | 72 | 60.4° / 54.6° | 7.2h | 27d | 0" | 6 |
| September 2026 | 80 | 63.2° / 55.8° | 8.4h | 12d | 0.22" | 16 |
| October 2026 | 86 | 64.9° / 55.4° | 8.2h | 2d | 0.26" | 27 |
Climate Trends
Average Temperature by Month
About the Tennessee Valley Beach climate charts
The temperature chart compares average monthly highs and lows at Tennessee Valley Beach, 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 Tennessee Valley Beach. 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 Tennessee Valley Beach, the warmest typical hour is 3 PM in September (65°F). The coldest is 7 AM in January (47°F).
- Fog: Fog or low cloud covers Tennessee Valley Beach in 64% of 8 AM hours in July, the foggiest month. It often lingers, and 30% of mid-afternoon hours are still foggy. February mornings are the least foggy (13%).
- Wind: From March through October, wind at Tennessee Valley Beach typically builds after 1 PM. In May it peaks around 5 PM, averaging 14 mph with 42% of those hours windy, while mornings average 7 mph.
- Cloud Cover: November middays are the clearest at Tennessee Valley Beach (26% average cloud cover), and July middays are the cloudiest (44%).
- Solar Radiation: The strongest typical sun at Tennessee Valley Beach comes at 2 PM in June, averaging 803 W/m².
How to read the hourly heatmaps for Tennessee Valley Beach
This heatmap shows how average temperature at Tennessee Valley Beach 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 Tennessee Valley Beach. 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 Tennessee Valley Beach 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 Tennessee Valley Beach 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 Tennessee Valley Beach 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 Tennessee Valley Beach
- October 2026 recap: October 2026 at Tennessee Valley Beach averaged a high of 65°F, 2°F warmer than October 2025 (63°F).
- Rain year: The 2025-26 rain year (Oct. 1 to Sep. 30) brought 28.1 in. of rain to Tennessee Valley Beach, 84% of the 33.5 in. normal.
Location Details
Tennessee Valley Beach weather questions
Everything you need to know about weather and visiting Tennessee Valley Beach
What is the weather like at Tennessee Valley Beach today?
It's 58°F at Tennessee Valley Beach right now, with a comfort score of 80 (great). Monday's forecast high at Tennessee Valley Beach is 56°F, 6°F below the mid November normal of 62°F. The best window today is 9 AM to noon, at about 53°F with a 7 mph wind (comfort 58).
What is the best month to visit Tennessee Valley Beach?
By typical temperature, wind, cloud, humidity, and rain odds, the most comfortable months at Tennessee Valley Beach are September, October, and August. The best hours are usually noon to 3 PM in September, 1 PM to 4 PM in October, and 11 AM to 2 PM in August. The warm season lasts about 3 months, from Jul 6 to Oct 5, when the average high is 69°F or warmer. Highs peak around Sep 8 at about 71°F.
What are the warmest and coldest months at Tennessee Valley Beach?
September is the warmest month at Tennessee Valley Beach, with an average high of 71°F. January is the coldest, with an average low of 44°F.
When does the fog burn off at Tennessee Valley Beach?
Fog or low cloud covers Tennessee Valley Beach in 64% of 8 AM hours in July, the foggiest month. It often lingers, and 30% of mid-afternoon hours are still foggy. February mornings are the least foggy (13%).
When is it windiest at Tennessee Valley Beach?
From March through October, wind at Tennessee Valley Beach typically builds after 1 PM. In May it peaks around 5 PM, averaging 14 mph with 42% of those hours windy, while mornings average 7 mph.
How much rain does Tennessee Valley Beach get?
December is the wettest month (7.3 in.), out of about 33.5 in. a year. The rainy season runs from Oct 27 to Apr 18, when a day has at least a 20% chance of measurable rain. That stretch brings 89% of the year's rain. The 2025-26 rain year (Oct. 1 to Sep. 30) brought 28.1 in. of rain to Tennessee Valley Beach, 84% of the 33.5 in. normal.
How does Tennessee Valley Beach weather compare with Rodeo Beach?
Rodeo Beach, 1 mile away, runs about 4°F cooler than Tennessee Valley Beach on summer afternoons.
What kind of place is Tennessee Valley Beach?
Tennessee Valley Beach is a pocket of sand between bluffs at Tennessee Cove, and no road reaches it. A well-groomed trail of about 1.75 miles follows an open valley from the trailhead parking lot to the Pacific. The cove is part of Golden Gate National Recreation Area, run by the National Park Service. Arriving on foot, past grassland and a small pond, sets it apart from Muir Beach and Rodeo Beach, each within about two miles. At both of those you can park within sight of the water.
What is Tennessee Valley Beach weather like in November?
November at Tennessee Valley Beach averages a high of 62°F and a low of 48°F, with 3.6 in. of rain over about 8 rainy days. About 14% of morning hours are foggy. Afternoon wind averages 8 mph.
More about Tennessee Valley Beach 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.
- National Park Service, Tennessee Valley Trail (accessed 2026-10-27)
- Golden Gate National Parks Conservancy, Tennessee Valley Beach (accessed 2026-10-27)
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