Fallon, California Weather
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Weather Forecast for Fallon, California : Marin County
Issued: 1:26 pm PDT Jul 1, 2025 Latitude: 38.2746396 Longitude: -122.9058295 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Independence Day Saturday Sunday Monday Tuesday
Mostly Cloudy on Tonight Mostly Cloudy on Wednesday Mostly Sunny on Thursday Sunny on Independence Day Sunny on Saturday Sunny on Sunday Patchy Fog on Monday Patchy Fog on Tuesday
Low: 50°F High: 68°F High: 69°F High: 65°F High: 69°F High: 68°F High: 65°F High: 65°F
Low: 51°F Low: 49°F Low: 48°F Low: 48°F Low: 48°F Low: 50°F  
Mostly Cloudy Mostly Cloudy Mostly Sunny Sunny Sunny Sunny Patchy Fog Patchy Fog
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Current Conditions at
SANTA ROSA - (KSTS)
73°
Mostly Clear
as of 3:53 PM PDST
Rel. Humidity: 49%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
14 MPH
180° South
Cloud Level(s): Few at 1500ft
Current Conditions at
NAPA - (KAPC)
72°
Clear
as of 3:54 PM PDST
Rel. Humidity: 60%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
18 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
CONCORD - (KCCR)
93°
Clear
as of 3:53 PM PDST
Rel. Humidity: 26%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
10 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
VACAVILLE - (KVCB)
102°
Clear
as of 3:53 PM PDST
Rel. Humidity: 13%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 50. West wind 6 to 11 mph becoming light southwest after midnight.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, then gradually becoming sunny, with a high near 68. Light and variable wind becoming west 8 to 13 mph in the morning.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 51. West northwest wind 11 to 17 mph, with gusts as high as 21 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 69. West northwest wind 11 to 21 mph, with gusts as high as 26 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 49. West northwest wind 14 to 20 mph, with gusts as high as 24 mph.
Sunny on Independence Day Independence Day... Sunny, with a high near 65.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 48.
Sunny on Saturday Saturday... Sunny, with a high near 69.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 48.
Sunny on Sunday Sunday... Sunny, with a high near 68.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 48.
Patchy Fog on Monday Monday... Patchy fog. Otherwise, mostly sunny, with a high near 65.
Patchy Fog on Monday Night Monday Night... Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Patchy Fog on Tuesday Tuesday... Patchy fog. Otherwise, mostly sunny, with a high near 65.
Current Radar Image


Sun Almanac for Fallon, California
Sunrise: 05:52 AM
Sunset: 8:39 PM
Civil Sunrise:05:21 AM
Civil Sunset: 9:10 PM
Nautical Sunrise: 04:41 AM
Nautical Sunset: 9:50 PM
Astro Sunrise: 03:57 AM
Astro Sunset: 10:35 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.