Tennessee Valley Beach Weather

BeachSan Francisco Bay Area

Secluded Marin beach via hike

56°
😕
Comfort Score
50(C-)
Fair
Weather updated August 16, 2026 at 9:31 PM PDT

Tennessee Valley Beach weather at a glance

Tennessee Valley Beach is a beach at 10 feet in San Francisco Bay Area. Secluded Marin beach via hike. Notable features include foggy, cool, hiking, and quiet.

Current conditions are 56°F, feeling like 55°F, with 100% humidity, winds near 12 mph, 100% cloud cover, and a 0% chance of precipitation. Cool and breezy and humid and overcast.

The location-specific climate baseline shows an average daily high of 64°F and an average low of 50°F, with about 0.0 hours of sunshine per day and 0.0 hours of morning fog per day. Expected annual precipitation is approximately 27.1 inches.

Current Conditions

Temperature
56°F
Feels like 55°F
Humidity
100%
Wind
12 mph
NW • Gusts 17 mph
Cloud Cover
100%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature40
Wind55
Night Sky5
Humidity30
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now56°50 (C-)12 mph1%☁️ Cloudy
10pm55°35 (F)12 mph0%☁️ Cloudy
11pm55°54 (C-)10 mph0%☁️ Cloudy

Tomorrow

TimeTempComfortAQIWindPrecipConditions
12am56°56 (C-)8 mph0%☁️ Cloudy
1am55°54 (C-)9 mph1%☁️ Cloudy
2am54°40 (D)10 mph1%☁️ Cloudy
3am54°48 (D)9 mph1%☁️ Cloudy
4am54°48 (D)9 mph1%☁️ Cloudy
5am54°48 (D)8 mph1%☁️ Cloudy
6am54°48 (D)8 mph0%☁️ Cloudy
7am54°48 (D)8 mph0%☁️ Cloudy
8am55°54 (C-)8 mph1%☁️ Cloudy
How to read the Tennessee Valley Beach hourly chart

The hourly chart follows the next 48 forecast hours at Tennessee Valley Beach. Use the temperature view to see warming and cooling through the day, and the comfort view to see when the combined temperature, wind, clouds, precipitation, and air quality should feel most favorable.

The wind view compares sustained wind with stronger gusts at Tennessee Valley Beach. The AQI view uses the current observation for “Now” and modeled AQI-equivalent guidance for later hours when forecast smoke data is available.

Weather Maps

About the weather maps for Tennessee Valley Beach

Each preview is centered on Tennessee Valley Beach, with the red pin marking its approximate location. Satellite imagery provides cloud context, radar shows nearby precipitation, and the fog view shows the marine-layer or low-cloud field when that regional layer is available.

These images cover a wider area than the point forecast, so a nearby cloud or rain band may not be directly over Tennessee Valley Beach. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today63° / 55°84 (B)1%☀️ Sunny
Mon57° / 54°74 (B-)1%☀️ Sunny
Tue65° / 53°83 (B)0%☀️ Sunny
Wed🏆 Best75° / 54°91 (A-)0%☀️ Sunny
Thu81° / 54°77 (B)0%☀️ Sunny
Fri80° / 55°80 (B)0%☀️ Sunny
Sat77° / 55°87 (A-)0%☀️ Sunny

Best day this week: Wed (Comfort score: 91)

Nearby Temperature Comparison

Conditions at nearby San Francisco Bay Area destinations

Tip: Bay Area temps can vary 20-30°F within a short distance due to microclimates.

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
63°Fforecast
8° below normal
Normal: 71°F
Rainfall Year-to-Date
13.2"
32% below average
30-yr avg: 19.4"
Sunny Days
26last 28 days
1 fewer than baseline
Recent baseline: 27
Foggy Days
5last 28 days
vs 8 recent baseline
Clearer than usual
Avg Wind Speed
7.3 mphlast 28 days
1.6 mph calmer than baseline
Recent baseline: 8.9 mph
Comfort Score
8428-day avg
On par with typical
Recent baseline: 84
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.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: NOAA URMA for recent temperature history, NOAA Stage IV for recent precipitation, NOAA HRRR for fog, cloud, wind, humidity, and sunshine signals, and NOAA 1991-2020 climate normals for long-term baselines.

Climate Overview

Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline

81
Avg Comfort
64.3°
Avg High
49.6°
Avg Low
67%
Perfect Days
☀️ Avg Sunshine (recent)9.3h/day
🌫️ Avg Fog (recent)2.1h/day
💧 Avg Annual Rain27.1"
🌧️ Rainy Days/yr91 (25%)
🌫️ Foggy Days/yr (recent)104
✨ Perfect Days (80+)433

🌟 Best Months to Visit

1. May79
65° / 50.2° · ☀️ 12.6h
3 foggy days · 6 rainy days
2. August75
71° / 54.8° · ☀️ 11.7h
5 foggy days · 5 rainy days
3. June74
68.7° / 52.2° · ☀️ 12.9h
7 foggy days · 5 rainy days

⚠️ Challenging Months

1. December30
56.4° / 44.6° · ☀️ 6h
💧 6.2" · 12 rainy days · 16 foggy days
2. January33
56.2° / 44.2° · ☀️ 7.4h
💧 6.2" · 12 rainy days · 10 foggy days
3. February35
58.9° / 45.7° · ☀️ 6.5h
💧 5.6" · 11 rainy days · 11 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20249076.1° / 54.6°11.6h2d0.06"26
September 20248974.5° / 53.7°10.6h9d0.06"27
October 20248976.5° / 54.5°9.4h3d0.25"29
November 20247759.7° / 46.4°7h7d5.01"18
December 20246856.1° / 45.6°6h12d7.85"12
January 20258056.5° / 42.6°7.7h10d0.91"21
February 20257157.4° / 43.9°6.2h10d6.51"14
March 20257758.3° / 45.3°9.1h6d3.04"17
April 20258562.7° / 47.2°11.1h8d0.5"20
May 20259170.8° / 50.4°12.8h1d0.1"29
June 20258969° / 51.2°12.9h7d0"25
July 20258466.6° / 53.2°11.5h18d0"20
August 20259175.3° / 55.4°11.7h7d0"30
September 20258773.4° / 57.5°10h9d0.42"19
October 20258568.1° / 53.3°8.3h8d1.95"22
November 20257460.6° / 49.9°7.2h15d3.28"12
December 20256353.4° / 44.5°6.1h20d6.4"7
January 20267356.3° / 44.9°7.2h10d3.5"14
February 20267259.4° / 46.3°6.8h11d4.67"15
March 20269372.9° / 50.5°10.8h2d0.61"28
April 20268263.8° / 49.4°10.5h5d3.88"21
May 20268564.7° / 51°11.7h3d0.56"7
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

71°F64°F57°F50°F42°FOct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26
Average High
Average Low
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

How to read the temperature heatmap 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 identify the usual afternoon peaks and cooler colors show overnight and winter lows.

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 to read the fog heatmap for Tennessee Valley Beach

This heatmap shows when fog or low cloud is most likely at Tennessee Valley Beach. Darker cells mark month-and-hour combinations with a stronger historical fog signal, which helps separate overnight or morning fog from cloud that tends to linger into the afternoon.

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 to read the wind heatmap for Tennessee Valley Beach

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.

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 to read the cloud cover heatmap for Tennessee Valley Beach

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.

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 to read the solar radiation heatmap for Tennessee Valley Beach

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.

Loading interactive climate heatmaps…

Location Details

📍
Coordinates
37.8611, -122.5397
⛰️
Elevation
10 ft
🏷️
Type
Beach
🏷️
Tags
#foggy#cool#hiking#quiet
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Tennessee Valley Beach

What is the weather at Tennessee Valley Beach right now?

Current conditions at Tennessee Valley Beach are 56°F, feeling like 55°F, with 100% humidity, winds near 12 mph, 100% cloud cover, and a 0% chance of precipitation. Cool and breezy and humid and overcast

What temperatures are typical at Tennessee Valley Beach?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 64°F and an average low of 50°F at Tennessee Valley Beach. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Tennessee Valley Beach get?

The location-specific climate baseline estimates about 27.1 inches of precipitation and 91 days with measurable rain in a typical year at Tennessee Valley Beach. The monthly breakdown shows when that rain is most likely.

How often is Tennessee Valley Beach foggy?

Tennessee Valley Beach averages about 0.0 hours of morning fog per day across the location-specific climate baseline, with approximately 0 foggy days in a typical year. Fog varies considerably by season, so check the monthly breakdown and current forecast for visit planning.

What are the best months to visit Tennessee Valley Beach for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are March 2026 (73°F/51°F average high/low and a 93 comfort score), May 2025 (71°F/50°F average high/low and a 91 comfort score), and August 2025 (75°F/55°F average high/low and a 91 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Tennessee Valley Beach?

Tennessee Valley Beach is a beach at 10 feet. Secluded Marin beach via hike. Notable features include foggy, cool, hiking, and quiet.

💡 Local Tip: San Francisco Bay Area weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Tennessee Valley Beach.
DestinationsEvent WeatherFog Heat Map🔒Privacy Policy📄Terms of Service