National Weather Service Forecast for: Gilroy CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT May 26, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 50. Northwest wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 28 mph.
Partly Cloudy

Wednesday

Wednesday: A 20 percent chance of rain after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 70. Light south southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Partly Sunny
then Slight
Chance Rain
Wednesday
Night
Wednesday Night: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 51. Southwest wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 18 mph.
Mostly Cloudy
then Slight
Chance Rain
Thursday

Thursday: A 40 percent chance of rain.  Partly sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.
Chance Rain

Thursday
Night
Thursday Night: Partly cloudy, with a low around 51. West southwest wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.
Partly Cloudy

Friday

Friday: Mostly sunny, with a high near 72.
Mostly Sunny

Friday
Night
Friday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 50.
Mostly Clear
then Patchy
Fog
Saturday

Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 75.
Patchy Fog
then Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 47.
Mostly Clear

Lo 50 °F Hi 70 °F Lo 51 °F Hi 70 °F Lo 51 °F Hi 72 °F Lo 50 °F Hi 75 °F Lo 47 °F

 

Tonight
 
Partly cloudy, with a low around 50. Northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 28 mph.
Wednesday
 
A 20 percent chance of rain after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Light south southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
 
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 51. Southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Thursday
 
A 40 percent chance of rain. Partly sunny, with a high near 70. Calm wind becoming southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
 
Partly cloudy, with a low around 51. West southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Friday
 
Mostly sunny, with a high near 72.
Friday Night
 
Patchy fog after 5am. Otherwise, mostly clear, with a low around 50.
Saturday
 
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.
Saturday Night
 
Mostly clear, with a low around 47.
Sunday
 
Sunny, with a high near 81.
Sunday Night
 
Clear, with a low around 50.
Monday
 
Sunny, with a high near 85.
Monday Night
 
Mostly clear, with a low around 51.
Tuesday
 
Sunny, with a high near 85.

 

Forecast from NOAA-NWS for Gilroy CA.