Nicasio, California Weather
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Weather Forecast for Nicasio, California : Marin County
Issued: 1:26 am PDT Oct 18, 2025 Latitude: 38.0615885 Longitude: -122.6985975 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: 77°F Low: 52°F High: 74°F High: 76°F High: 75°F High: 68°F High: 70°F High: 68°F
Low: 51°F Low: 52°F Low: 52°F Low: 50°F Low: 52°F  
Sunny Mostly Clear Sunny Sunny Sunny Mostly Sunny Patchy Fog Rain
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Current Conditions at
NAPA - (KAPC)
54°
Clear
as of 6:54 AM PDST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
SANTA ROSA - (KSTS)
46°
Clear
as of 6:53 AM PDST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SAN FRANCISCO - (KSFO)
55°
Clear
as of 6:56 AM PDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CONCORD - (KCCR)
52°
Mostly Cloudy
as of 6:53 AM PDST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 300ft
Sunny on Today Today... Sunny, with a high near 77. East wind 6 to 10 mph becoming southwest in the afternoon.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 52. Calm wind becoming southwest around 5 mph after midnight.
Sunny on Sunday Sunday... Sunny, with a high near 74. Calm wind becoming west 5 to 9 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 51. West wind 5 to 8 mph becoming light and variable.
Sunny on Monday Monday... Sunny, with a high near 76. East southeast wind 5 to 8 mph becoming light and variable.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 52.
Sunny on Tuesday Tuesday... Sunny, with a high near 75.
Morning Fog on Tuesday Night Tuesday Night... Patchy fog after 4am. Otherwise, partly cloudy, with a low around 52.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 68.
Morning Fog on Wednesday Night Wednesday Night... Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50.
Patchy Fog on Thursday Thursday... Patchy fog. Otherwise, mostly sunny, with a high near 70.
Patchy Fog on Thursday Night Thursday Night... Patchy fog. Otherwise, partly cloudy, with a low around 52.
10% chance of rain Friday Friday... A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 68.
Current Radar Image


Sun Almanac for Nicasio, California
Sunrise: 07:23 AM
Sunset: 6:29 PM
Civil Sunrise:06:56 AM
Civil Sunset: 6:55 PM
Nautical Sunrise: 06:26 AM
Nautical Sunset: 7:26 PM
Astro Sunrise: 05:55 AM
Astro Sunset: 7:56 PM
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