Bel Marin Keys, California Weather
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Weather Forecast for Bel Marin Keys, California : Marin County
Issued: 8:54 am PDT Oct 18, 2025 Latitude: 38.0821425 Longitude: -122.5147001 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today Mostly Clear on Tonight Sunny on Sunday Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Patchy Fog on Thursday 10% chance of rain on Friday
High: 78°F Low: 54°F High: 77°F High: 80°F High: 78°F High: 72°F High: 73°F High: 72°F
Low: 54°F Low: 55°F Low: 55°F Low: 52°F Low: 54°F  
Sunny Mostly Clear Sunny Sunny Sunny Mostly Sunny Patchy Fog Rain
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Current Conditions at
NAPA - (KAPC)
57°
Clear
as of 8:54 AM PDST
Rel. Humidity: 87%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CONCORD - (KCCR)
57°
Clear
Mist
as of 8:53 AM PDST
Rel. Humidity: 87%
Dew Point: 54°F
Visibility: 5 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
OAKLAND - (KOAK)
59°
Mostly Clear
as of 8:53 AM PDST
Rel. Humidity: 82%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 2000ft
Current Conditions at
TRAVIS AFB - (KSUU)
61°
Clear
as of 8:55 AM PDST
Rel. Humidity: 77%
Dew Point: 54°F
Visibility: 8 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
7 MPH
010° North
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 78. Calm wind becoming east 5 to 7 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 54. West wind 5 to 7 mph becoming calm after midnight.
Sunny on Sunday Sunday... Sunny, with a high near 77. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 54. West wind 6 to 11 mph becoming light and variable in the evening.
Sunny on Monday Monday... Sunny, with a high near 80. Calm wind becoming east around 5 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 55.
Sunny on Tuesday Tuesday... Sunny, with a high near 78.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 55.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 72.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 52.
Patchy Fog on Thursday Thursday... Patchy fog. Otherwise, mostly sunny, with a high near 73.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 54.
10% chance of rain Friday Friday... A slight chance of rain. Partly sunny, with a high near 72.
Current Radar Image


Sun Almanac for Bel Marin Keys, California
Sunrise: 07:22 AM
Sunset: 6:28 PM
Civil Sunrise:06:56 AM
Civil Sunset: 6:55 PM
Nautical Sunrise: 06:25 AM
Nautical Sunset: 7:25 PM
Astro Sunrise: 05:55 AM
Astro Sunset: 7:56 PM
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