National Weather Service Forecast for: Gilroy 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 after 7pm. Otherwise, mostly cloudy, with a low around 48. Light northwest wind.
Patchy Dense
Fog

 Thursday

Thursday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 66. Calm wind.
Areas Fog
then Mostly
Sunny

 Thursday
Night
Thursday Night: Widespread fog, mainly after 4am. Otherwise, increasing clouds, with a low around 47. Calm wind.
Fog


 Friday

Friday: Rain likely, mainly after 4pm. Widespread fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 61. Light and variable wind. Chance of precipitation is 60%.
Chance Rain
and Fog then
Rain Likely
and Patchy
Fog
 Friday
Night
Friday Night: Rain likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely
and Patchy
Fog

 Saturday

Saturday: Rain likely, mainly after 10am. Areas of fog before 2pm. Otherwise, cloudy, with a high near 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely
and Areas Fog

 Saturday
Night
Saturday Night: Rain likely. Cloudy, with a low around 55. Chance of precipitation is 70%.
Rain Likely


 Sunday

Sunday: Rain. Cloudy, with a high near 61.
Rain


 Sunday
Night
Sunday Night: Rain. Cloudy, with a low around 53.
Rain
Lo 48 °F Hi 66 °F Lo 47 °F Hi 61 °F Lo 54 °F Hi 63 °F Lo 55 °F Hi 61 °F Lo 53 °F

 

Tonight
 
 Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 48. Light northwest wind.
Thursday
 
 Areas of fog before 11am. Otherwise, mostly sunny, with a high near 66. Calm wind.
Thursday Night
 
 Widespread fog, mainly after 4am. Otherwise, increasing clouds, with a low around 47. Calm wind.
Friday
 
 Rain likely, mainly after 4pm. Widespread fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 61. Light and variable wind. Chance of precipitation is 60%.
Friday Night
 
 Rain likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 54. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
 
 Rain likely, mainly after 10am. Areas of fog before 2pm. Otherwise, cloudy, with a high near 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
 
 Rain likely. Cloudy, with a low around 55. Chance of precipitation is 70%.
Sunday
 
 Rain. Cloudy, with a high near 61.
Sunday Night
 
 Rain. Cloudy, with a low around 53.
Monday
 
 Rain likely. Cloudy, with a high near 61.
Monday Night
 
 Rain likely. Mostly cloudy, with a low around 50.
Tuesday
 
 Rain. Mostly cloudy, with a high near 59.
Tuesday Night
 
 Rain. Mostly cloudy, with a low around 49.
Wednesday
 
 Rain likely. Mostly cloudy, with a high near 58.

 

Forecast from NOAA-NWS for Gilroy CA.