National Weather Service Forecast for: San Bruno CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 8:02 pm PST Dec 23, 2025
 
Tonight

Tonight: Showers, with thunderstorms also possible after 1am. Low around 52. Windy, with a southeast wind 23 to 28 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers and
Windy
 Wednesday

Wednesday: Showers. High near 60. South southeast wind 10 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 52. Breezy, with a south southeast wind 26 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Severe
T-Storms
and Breezy
 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm before 7am, then showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 58. Breezy, with a south southwest wind 22 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and
Breezy
 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm. Low around 49. Breezy, with a south southwest wind 18 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Showers and
Breezy
 Friday

Friday: Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 57. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Friday
Night
Friday Night: Showers before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Low around 46. Chance of precipitation is 80%.
Showers then
Chance
Showers
 Saturday

Saturday: A chance of showers. Mostly sunny, with a high near 55.
Chance
Showers
 Saturday
Night
Saturday Night: Mostly clear, with a low around 42.
Mostly Clear
Lo 52 °F Hi 60 °F Lo 52 °F Hi 58 °F Lo 49 °F Hi 57 °F Lo 46 °F Hi 55 °F Lo 42 °F

Flood Watch
Wind Advisory
 

Tonight
 
 Showers, with thunderstorms also possible after 1am. Low around 52. Windy, with a southeast wind 23 to 28 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 Showers. High near 60. South southeast wind 10 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 52. Breezy, with a south southeast wind 26 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Christmas Day
 
 Showers and possibly a thunderstorm before 7am, then showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 58. Breezy, with a south southwest wind 22 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
 
 Showers and possibly a thunderstorm. Low around 49. Breezy, with a south southwest wind 18 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
 
 Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 57. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
 Showers before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Low around 46. Chance of precipitation is 80%.
Saturday
 
 A chance of showers. Mostly sunny, with a high near 55.
Saturday Night
 
 Mostly clear, with a low around 42.
Sunday
 
 Sunny, with a high near 55.
Sunday Night
 
 Mostly clear, with a low around 41.
Monday
 
 Sunny, with a high near 56.
Monday Night
 
 Mostly clear, with a low around 42.
Tuesday
 
 Mostly sunny, with a high near 58.

 

Forecast from NOAA-NWS for San Bruno CA.