| NWS Forecast for: San Anselmo CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 3:52 am PDT Apr 19, 2026 |  |
| Overnight: Mostly cloudy, with a low around 50. Calm wind. Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the afternoon. Sunday Night: A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 52. Southwest wind around 6 mph becoming south southeast after midnight. Monday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 65. South southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible. Monday Night: Rain. Low around 52. South southwest wind 5 to 9 mph becoming light south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible. Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 64. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%. Wednesday: A chance of rain, mainly before 11am. Mostly sunny, with a high near 66. Wednesday Night: Mostly clear, with a low around 47. Thursday: Sunny, with a high near 69. Thursday Night: Mostly clear, with a low around 48. Friday: Mostly sunny, with a high near 70. Friday Night: Partly cloudy, with a low around 50. Saturday: Mostly sunny, with a high near 69. | |
| San Anselmo CA 37.98°N 122.55°W (Elev. 197 ft) | |
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