National Weather Service Forecast for: Angwin CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:24 pm PST Dec 17, 2025
 
Tonight

Tonight: Patchy dense fog between 1am and 4am.  Otherwise, partly cloudy, with a low around 45. West wind around 5 mph becoming calm  in the evening.
Partly Cloudy
then Patchy
Dense Fog
Thursday

Thursday: A 30 percent chance of rain after 4pm.  Patchy dense fog between 8am and 9am.  Otherwise, partly sunny, with a high near 55. Calm wind becoming west southwest around 6 mph in the morning.
Patchy Dense
Fog then
Chance Rain
Thursday
Night
Thursday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a steady temperature around 51. West southwest wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely

Friday

Friday: Rain.  High near 55. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Rain

Friday
Night
Friday Night: Rain, mainly before 10pm.  Low around 49. West southwest wind 6 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain then
Chance Rain
Saturday

Saturday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely

Saturday
Night
Saturday Night: Rain.  Low around 51. Chance of precipitation is 90%.
Rain

Sunday

Sunday: Rain.  Cloudy, with a high near 55.
Rain

Sunday
Night
Sunday Night: Rain.  Cloudy, with a low around 48.
Rain

Lo 45 °F Hi 55 °F Lo 51 °F Hi 55 °F Lo 49 °F Hi 54 °F Lo 51 °F Hi 55 °F Lo 48 °F

 

Tonight
 
Patchy dense fog between 1am and 4am. Otherwise, partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.
Thursday
 
A 30 percent chance of rain after 4pm. Patchy dense fog between 8am and 9am. Otherwise, partly sunny, with a high near 55. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
 
Rain likely, mainly after 10pm. Mostly cloudy, with a steady temperature around 51. West southwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
Rain. High near 55. South southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
 
Rain, mainly before 10pm. Low around 49. West southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
Rain likely, mainly after 10am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
 
Rain. Low around 51. Chance of precipitation is 90%.
Sunday
 
Rain. Cloudy, with a high near 55.
Sunday Night
 
Rain. Cloudy, with a low around 48.
Monday
 
Rain likely. Mostly cloudy, with a high near 52.
Monday Night
 
Rain likely. Mostly cloudy, with a low around 46.
Tuesday
 
Rain likely. Mostly cloudy, with a high near 49.
Tuesday Night
 
Rain. Mostly cloudy, with a low around 46.
Wednesday
 
Rain likely. Mostly cloudy, with a high near 50.

 

Forecast from NOAA-NWS for Angwin CA.