National Weather Service Forecast for: San Rafael CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 am PDT May 4, 2026
 
Today

Today: A slight chance of rain between 4pm and 5pm. Mostly cloudy, with a high near 65. West wind 3 to 7 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Rain
 Tonight

Tonight: Rain likely, mainly between 10pm and 5am. Mostly cloudy, with a low around 52. West wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely

 Tuesday

Tuesday: A 10 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 67. West wind 3 to 8 mph.
Slight Chance
Rain then
Mostly Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 52. West wind 3 to 7 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 72. Calm wind becoming west southwest around 6 mph in the afternoon.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 52.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 70.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 50.
Mostly Clear

 Friday

Friday: Mostly sunny, with a high near 73.
Mostly Sunny
Hi 65 °F Lo 52 °F Hi 67 °F Lo 52 °F Hi 72 °F Lo 52 °F Hi 70 °F Lo 50 °F Hi 73 °F

 

Today
 
 A slight chance of rain between 4pm and 5pm. Mostly cloudy, with a high near 65. West wind 3 to 7 mph. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
 Rain likely, mainly between 10pm and 5am. Mostly cloudy, with a low around 52. West wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
 
 A 10 percent chance of rain before 7am. Cloudy through mid morning, then gradual clearing, with a high near 67. West wind 3 to 8 mph.
Tuesday Night
 
 Partly cloudy, with a low around 52. West wind 3 to 7 mph.
Wednesday
 
 Mostly sunny, with a high near 72. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 52.
Thursday
 
 Mostly sunny, with a high near 70.
Thursday Night
 
 Mostly clear, with a low around 50.
Friday
 
 Mostly sunny, with a high near 73.
Friday Night
 
 Clear, with a low around 52.
Saturday
 
 Sunny, with a high near 80.
Saturday Night
 
 Clear, with a low around 54.
Sunday
 
 Sunny, with a high near 82.

 

Forecast from NOAA-NWS for San Rafael CA.