Shell Beach Weather

BeachSan Francisco Bay Area

Protected cove near Jenner

55°
😕
Comfort Score
54(C-)
Fair
Weather updated August 16, 2026 at 9:16 PM PDT

Shell Beach weather at a glance

Shell Beach is a beach at 10 feet in San Francisco Bay Area. Protected cove near Jenner. Notable features include cool, calm, tide-pools, and scenic.

Current conditions are 55°F, feeling like 55°F, with 100% humidity, winds near 9 mph, 100% cloud cover, and a 0% chance of precipitation. Cool and humid and overcast.

The location-specific climate baseline shows an average daily high of 61°F and an average low of 48°F, with about 0.0 hours of sunshine per day and 0.0 hours of morning fog per day. Expected annual precipitation is approximately 45.3 inches.

Current Conditions

Temperature
55°F
Feels like 55°F
Humidity
100%
Wind
9 mph
NW • Gusts 13 mph
Cloud Cover
100%
Precip Chance
0%

Comfort Breakdown

Less comfortableMore comfortable
Temperature40
Wind75
Night Sky5
Humidity30
Precipitation100

Hourly Forecast

Today

TimeTempComfortAQIWindPrecipConditions
Now55°54 (C-)10 mph0%☁️ Cloudy
10pm55°54 (C-)9 mph0%☁️ Cloudy
11pm55°57 (C-)7 mph0%☁️ Cloudy

Tomorrow

TimeTempComfortAQIWindPrecipConditions
12am54°53 (C-)6 mph0%☁️ Cloudy
1am54°56 (C-)4 mph0%☁️ Cloudy
2am54°56 (C-)4 mph0%☁️ Cloudy
3am54°56 (C-)3 mph0%☁️ Cloudy
4am54°56 (C-)4 mph0%☁️ Cloudy
5am54°56 (C-)4 mph0%☁️ Cloudy
6am54°56 (C-)3 mph0%☁️ Cloudy
7am54°57 (C-)2 mph0%☁️ Cloudy
8am55°59 (C-)3 mph0%☁️ Cloudy
How to read the Shell Beach hourly chart

The hourly chart follows the next 48 forecast hours at Shell 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 Shell 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 Shell Beach

Each preview is centered on Shell 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 Shell Beach. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

7-Day Forecast

DayHigh/LowComfortPrecipConditions
Today64° / 55°88 (A-)0%☀️ Sunny
Mon59° / 54°76 (B)1%☀️ Sunny
Tue66° / 54°84 (B)0%☀️ Sunny
Wed🏆 Best72° / 55°92 (A-)0%☀️ Sunny
Thu75° / 58°91 (A-)0%☀️ Sunny
Fri73° / 58°91 (A-)0%☀️ Sunny
Sat71° / 57°90 (A-)0%☀️ Sunny

Best day this week: Wed (Comfort score: 92)

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
64°Fforecast
1° below normal
Normal: 65°F
Rainfall Year-to-Date
15.6"
45% below average
30-yr avg: 28.4"
Sunny Days
25last 28 days
1 more than baseline
Recent baseline: 24
Foggy Days
7last 28 days
vs 9 recent baseline
Clearer than usual
Avg Wind Speed
11.0 mphlast 28 days
Typical conditions
Recent baseline: 10.1 mph
Comfort Score
7728-day avg
On par with typical
Recent baseline: 79
What the Shell Beach climate comparisons mean

These cards compare recent conditions at Shell 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 Shell 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

78
Avg Comfort
61.2°
Avg High
48.5°
Avg Low
60%
Perfect Days
☀️ Avg Sunshine (recent)9.1h/day
🌫️ Avg Fog (recent)2.1h/day
💧 Avg Annual Rain45.3"
🌧️ Rainy Days/yr108 (30%)
🌫️ Foggy Days/yr (recent)106
✨ Perfect Days (80+)385

🌟 Best Months to Visit

1. May72
61.3° / 48.9° · ☀️ 12.7h
4 foggy days · 6 rainy days
2. June68
63.7° / 50.4° · ☀️ 12.3h
8 foggy days · 5 rainy days
3. August66
64.9° / 52.4° · ☀️ 11.3h
9 foggy days · 5 rainy days

⚠️ Challenging Months

1. December30
56.4° / 44.8° · ☀️ 6h
💧 9.3" · 16 rainy days · 13 foggy days
2. February32
57.9° / 45.8° · ☀️ 6.1h
💧 8.4" · 15 rainy days · 11 foggy days
3. November38
60.6° / 47.4° · ☀️ 6.8h
💧 6" · 10 rainy days · 12 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
August 20248670° / 54°11.3h6d0.16"22
September 20248669.1° / 52.4°10.1h10d0.07"23
October 20248871.3° / 53.1°9.2h4d0.54"27
November 20247460.1° / 46°6.9h7d8.04"16
December 20246959.1° / 45.9°6.3h8d8.54"14
January 20258058.1° / 41.4°7.9h7d1.67"19
February 20256757.4° / 43.4°6.1h9d8.9"13
March 20257257.1° / 45.1°8.9h4d4.87"11
April 20257759.4° / 46.6°10.4h10d0.56"18
May 20258664.8° / 49.7°13h1d0.17"26
June 20258364.7° / 51.2°12.3h8d0"23
July 20257863.8° / 52.2°10.7h20d0.06"13
August 20258569.7° / 54.9°11.3h12d0.01"22
September 20258470.6° / 56.1°9.6h9d1.04"20
October 20258166.6° / 51.9°8.2h9d2.69"19
November 20257262.4° / 49.4°6.7h16d4.88"10
December 20256658.3° / 45.6°5.7h18d8.35"6
January 20267659.6° / 45°6.9h6d4.35"20
February 20267060.2° / 46.8°6.1h13d5.48"12
March 20268966.9° / 49.5°10.9h1d0.4"28
April 20267660.9° / 48.3°10.6h6d4.86"18
May 20267761.8° / 50.8°11.9h4d0.47"5
Last updated: 5/10/2026

Climate Trends

Average Temperature by Month

68°F62°F55°F49°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 Shell Beach climate charts

The temperature chart compares average monthly highs and lows at Shell 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 Shell 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 Shell Beach

This heatmap shows how average temperature at Shell 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 Shell Beach

This heatmap shows when fog or low cloud is most likely at Shell 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 Shell Beach

This heatmap shows the typical hourly wind pattern at Shell 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 Shell Beach

This heatmap shows average cloud cover at Shell 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 Shell Beach

This heatmap shows the average solar radiation reaching Shell 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
38.3228, -123.0775
⛰️
Elevation
10 ft
🏷️
Type
Beach
🏷️
Tags
#cool#calm#tide-pools#scenic
Map
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Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Shell Beach

What is the weather at Shell Beach right now?

Current conditions at Shell Beach are 55°F, feeling like 55°F, with 100% humidity, winds near 9 mph, 100% cloud cover, and a 0% chance of precipitation. Cool and humid and overcast

What temperatures are typical at Shell Beach?

The location-specific record for 1991-01-01 through 2020-12-31 shows an average daily high of 61°F and an average low of 48°F at Shell 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 Shell Beach get?

The location-specific climate baseline estimates about 45.3 inches of precipitation and 108 days with measurable rain in a typical year at Shell Beach. The monthly breakdown shows when that rain is most likely.

How often is Shell Beach foggy?

Shell 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 Shell Beach for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are March 2026 (67°F/50°F average high/low and a 89 comfort score), October 2024 (71°F/53°F average high/low and a 88 comfort score), and August 2024 (70°F/54°F average high/low and a 86 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Shell Beach?

Shell Beach is a beach at 10 feet. Protected cove near Jenner. Notable features include cool, calm, tide-pools, and scenic.

💡 Local Tip: San Francisco Bay Area weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Shell Beach.
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