National Weather Service Forecast for: 5 Miles NNE San Ramon CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:55 pm PST Dec 22, 2025
 
Overnight

Overnight: A 30 percent chance of rain, mainly before 1am. Areas of fog. Otherwise, cloudy, with a steady temperature around 53. Light and variable wind.
Chance Rain
and Areas Fog
 Tuesday

Tuesday: A 30 percent chance of rain, mainly after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 60. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Chance Rain
and Patchy
Fog
 Tuesday
Night
Tuesday Night: Rain. Low around 49. Breezy, with a southeast wind 20 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain and
Breezy
 Wednesday

Wednesday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Patchy fog before 10am. High near 58. South southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers and
Patchy Fog
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 49. South southeast wind 10 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Showers

 Christmas
Day
Christmas Day: Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 54. Breezy. 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 before 1am, then rain after 1am. Low around 44. Chance of precipitation is 100%.
Showers

 Friday

Friday: Rain. Cloudy, with a high near 53.
Rain

 Friday
Night
Friday Night: Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 41.
Rain Likely
and Patchy
Fog
Lo 53 °F Hi 60 °F Lo 49 °F Hi 58 °F Lo 49 °F Hi 54 °F Lo 44 °F Hi 53 °F Lo 41 °F

Flood Watch
Wind Advisory
 

Overnight
 
 A 30 percent chance of rain, mainly before 1am. Areas of fog. Otherwise, cloudy, with a steady temperature around 53. Light and variable wind.
Tuesday
 
 A 30 percent chance of rain, mainly after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 60. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
 
 Rain. Low around 49. Breezy, with a southeast wind 20 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Patchy fog before 10am. High near 58. South southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm before 7pm, then rain after 7pm. Low around 49. South southeast wind 10 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Christmas Day
 
 Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 54. Breezy. 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 before 1am, then rain after 1am. Low around 44. Chance of precipitation is 100%.
Friday
 
 Rain. Cloudy, with a high near 53.
Friday Night
 
 Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 41.
Saturday
 
 Patchy fog before 10am. Otherwise, partly sunny, with a high near 53.
Saturday Night
 
 Patchy frost. Otherwise, mostly clear, with a low around 35.
Sunday
 
 Areas of frost. Otherwise, sunny, with a high near 51.
Sunday Night
 
 Patchy frost. Otherwise, mostly clear, with a low around 35.
Monday
 
 Mostly sunny, with a high near 53.

 

Forecast from NOAA-NWS for 5 Miles NNE San Ramon CA.