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San Anselmo, CA Marine Weather Forecast

Christmas Day - 56°F
Dec 25, 2025
16 to 21 mph SSW
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could be severe. Cloudy. High near 56, with temperatures falling to around 53 in the afternoon. South southwest wind 16 to 21 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight - 50°F
Dec 25, 2025
14 to 20 mph SSW
Showers And Thunderstorms then Light Rain
Showers and thunderstorms before 10pm, then rain. Some of the storms could be severe. Mostly cloudy, with a low around 50. South southwest wind 14 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday - 54°F
Dec 26, 2025
7 to 14 mph S
Light Rain
Rain. Mostly cloudy. High near 54, with temperatures falling to around 52 in the afternoon. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday Night - 44°F
Dec 26, 2025
7 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 44. West wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 53°F
Dec 27, 2025
6 mph NNW
Slight Chance Light Rain
A slight chance of rain before 4pm. Mostly sunny, with a high near 53. North northwest wind around 6 mph. Chance of precipitation is 20%.
Saturday Night - 40°F
Dec 27, 2025
3 mph N
Partly Cloudy
Partly cloudy, with a low around 40.
Sunday - 52°F
Dec 28, 2025
6 mph NE
Mostly Sunny
Mostly sunny, with a high near 52.
Sunday Night - 38°F
Dec 28, 2025
6 mph NE
Mostly Clear
Mostly clear, with a low around 38.
Monday - 52°F
Dec 29, 2025
7 mph NE
Sunny
Sunny, with a high near 52.
Monday Night - 39°F
Dec 29, 2025
6 mph NE
Mostly Clear
Mostly clear, with a low around 39.
Tuesday - 53°F
Dec 30, 2025
5 to 8 mph NE
Sunny
Sunny, with a high near 53.
Tuesday Night - 41°F
Dec 30, 2025
5 mph NE
Mostly Clear
Mostly clear, with a low around 41.
Wednesday - 54°F
Dec 31, 2025
6 mph NE
Partly Sunny
Partly sunny, with a high near 54.
Wednesday Night - 43°F
Dec 31, 2025
3 mph NE
Slight Chance Light Rain
A slight chance of rain after 10pm. Mostly cloudy, with a low around 43.

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