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Old Town, California Weather Forecast
Old Town, California Weather
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Weather Forecast for Old Town, California : Marin County
Issued: 2:08 am PST Dec 18, 2025 Latitude: 38.0957535 Longitude: -122.5688697 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on This Afternoon 60% chance of rain on Tonight 90% chance of rain on Friday 70% chance of rain on Saturday 100% chance of rain on Sunday Rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 59°F Low: 51°F High: 56°F High: 55°F High: 57°F High: 55°F High: 53°F High: 54°F
Low: 50°F Low: 52°F Low: 51°F Low: 46°F Low: 47°F  
Mostly Cloudy Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
NAPA - (KAPC)
55°
Cloudy
as of 11:54 AM PST
Rel. Humidity: 87%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 700ft, Solid Overcast at 1100ft
Current Conditions at
CONCORD - (KCCR)
55°
Cloudy
as of 11:53 AM PST
Rel. Humidity: 82%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
3 MPH
190° South
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
SANTA ROSA - (KSTS)
52°
Cloudy
as of 11:53 AM PST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
OAKLAND - (KOAK)
54°
Cloudy
as of 11:53 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 9 Miles
Pressure: 30.18 in.
Flight Rule: IFR
Wind Data
5 MPH
250° West
Cloud Level(s): Broken at 900ft, Solid Overcast at 1500ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 59. Calm wind.

60% chance of rain Tonight Tonight... Rain likely, mainly after 4am. Cloudy, with a low around 51. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Friday Friday... Rain. High near 56. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

90% chance of rain Friday Night Friday Night... Rain, mainly before 10pm. Low around 50. West southwest wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 55. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

90% chance of rain Saturday Night Saturday Night... Rain. Low around 52. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

100% chance of rain Sunday Sunday... Rain. High near 57. Chance of precipitation is 100%.

Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 51.

Rain on Monday Monday... Rain. Cloudy, with a high near 55.

70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 46.

70% chance of rain Tuesday Tuesday... Rain likely. Cloudy, with a high near 53.

Rain on Tuesday Night Tuesday Night... Rain. Cloudy, with a low around 47.

70% chance of rain Wednesday Wednesday... Rain likely. Cloudy, with a high near 54.

Current Radar Image


Sun Almanac for Old Town, California
Sunrise: 07:22 AM
Sunset: 4:53 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:27 PM
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