National Weather Service Forecast for: Gilroy CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:25 am PST Dec 22, 2025
 
Today

Today: Rain likely.  Areas of fog before 1pm.  Otherwise, cloudy, with a high near 62. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely
and Areas Fog
Tonight

Tonight: A 40 percent chance of rain.  Patchy fog after 7pm.  Otherwise, cloudy, with a low around 51. Light south southeast wind.
Chance Rain
and Patchy
Fog
Tuesday

Tuesday: Rain likely.  Patchy fog before 10am.  Otherwise, cloudy, with a high near 62. South southeast wind 6 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely
and Patchy
Fog
Tuesday
Night
Tuesday Night: Rain.  Low around 52. Breezy, with a south wind 17 to 22 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Rain and
Breezy
Wednesday

Wednesday: Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm.  Patchy fog before noon. High near 60. South wind 6 to 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and
Patchy Fog
Wednesday
Night
Wednesday Night: Rain.  Low around 50. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain

Christmas
Day
Christmas Day: Rain.  High near 56. Chance of precipitation is 100%.
Rain

Thursday
Night
Thursday Night: Rain.  Patchy fog after 4am.  Otherwise, cloudy, with a low around 47.
Rain and
Patchy Fog
Friday

Friday: Rain, mainly before 4pm.  Patchy fog before noon.  Otherwise, mostly cloudy, with a high near 56.
Rain and
Patchy Fog
Hi 62 °F Lo 51 °F Hi 62 °F Lo 52 °F Hi 60 °F Lo 50 °F Hi 56 °F Lo 47 °F Hi 56 °F

High Wind Watch
Flood Watch
 

Today
 
Rain likely. Areas of fog before 1pm. Otherwise, cloudy, with a high near 62. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
A 40 percent chance of rain. Patchy fog after 7pm. Otherwise, cloudy, with a low around 51. Light south southeast wind.
Tuesday
 
Rain likely. Patchy fog before 10am. Otherwise, cloudy, with a high near 62. South southeast wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
Rain. Low around 52. Breezy, with a south wind 17 to 22 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
 
Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm. Patchy fog before noon. High near 60. South wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
Rain. Low around 50. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Christmas Day
 
Rain. High near 56. Chance of precipitation is 100%.
Thursday Night
 
Rain. Patchy fog after 4am. Otherwise, cloudy, with a low around 47.
Friday
 
Rain, mainly before 4pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 56.
Friday Night
 
A chance of rain, mainly before 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 40.
Saturday
 
A slight chance of rain. Areas of fog. Otherwise, mostly sunny, with a high near 57.
Saturday Night
 
Patchy fog. Otherwise, mostly clear, with a low around 38.
Sunday
 
Areas of fog. Otherwise, sunny, with a high near 58.

 

Forecast from NOAA-NWS for Gilroy CA.