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Petaluma, CA Marine Weather Forecast

This Afternoon - 49°F
Dec 30, 2025
9 mph ENE
Cloudy
Cloudy. High near 49, with temperatures falling to around 47 in the afternoon. East northeast wind around 9 mph.
Tonight - 47°F
Dec 30, 2025
7 mph N
Slight Chance Light Rain
A slight chance of rain after 10pm. Cloudy, with a low around 47. North wind around 7 mph. Chance of precipitation is 20%.
Wednesday - 52°F
Dec 31, 2025
8 mph ENE
Rain
Rain. Cloudy. High near 52, with temperatures falling to around 49 in the afternoon. East northeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night - 48°F
Dec 31, 2025
10 mph ENE
Rain
Rain. Cloudy, with a low around 48. East northeast wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
New Year's Day - 56°F
Jan 01, 2026
9 mph ESE
Light Rain
Rain. Cloudy, with a high near 56. East southeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night - 54°F
Jan 01, 2026
7 to 12 mph S
Light Rain
Rain. Cloudy, with a low around 54. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday - 57°F
Jan 02, 2026
12 to 21 mph S
Rain
Rain. Cloudy, with a high near 57.
Friday Night - 50°F
Jan 02, 2026
12 to 20 mph SSW
Rain
Rain. Cloudy, with a low around 50.
Saturday - 55°F
Jan 03, 2026
8 to 12 mph SSW
Light Rain
Rain. Mostly cloudy, with a high near 55.
Saturday Night - 48°F
Jan 03, 2026
8 mph S
Light Rain
Rain. Cloudy, with a low around 48.
Sunday - 55°F
Jan 04, 2026
8 mph SSE
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 55.
Sunday Night - 47°F
Jan 04, 2026
7 mph SSE
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 47.
Monday - 54°F
Jan 05, 2026
8 mph SSE
Rain Likely
Rain likely. Mostly cloudy, with a high near 54.
Monday Night - 46°F
Jan 05, 2026
6 mph SE
Chance Rain
A chance of rain. Mostly cloudy, with a low around 46.

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