National Weather Service Forecast for: Hercules CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:20 am PDT Jun 19, 2025
 
Juneteenth

Juneteenth: Sunny, with a high near 71. West southwest wind 9 to 16 mph, with gusts as high as 23 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 51. West southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 68. West wind 9 to 18 mph, with gusts as high as 25 mph.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 50. West wind 11 to 17 mph, with gusts as high as 28 mph.
Clear
 Saturday

Saturday: Sunny, with a high near 72. West northwest wind 9 to 14 mph.
Sunny
 Saturday
Night
Saturday Night: Clear, with a low around 54.
Clear
 Sunday

Sunday: Sunny, with a high near 73.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 52.
Mostly Clear
 Monday

Monday: Sunny, with a high near 74.
Sunny
Hi 71 °F Lo 51 °F Hi 68 °F Lo 50 °F Hi 72 °F Lo 54 °F Hi 73 °F Lo 52 °F Hi 74 °F

 

Juneteenth
 
 Sunny, with a high near 71. West southwest wind 9 to 16 mph, with gusts as high as 23 mph.
Tonight
 
 Mostly clear, with a low around 51. West southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Friday
 
 Sunny, with a high near 68. West wind 9 to 18 mph, with gusts as high as 25 mph.
Friday Night
 
 Clear, with a low around 50. West wind 11 to 17 mph, with gusts as high as 28 mph.
Saturday
 
 Sunny, with a high near 72. West northwest wind 9 to 14 mph.
Saturday Night
 
 Clear, with a low around 54.
Sunday
 
 Sunny, with a high near 73.
Sunday Night
 
 Mostly clear, with a low around 52.
Monday
 
 Sunny, with a high near 74.
Monday Night
 
 Mostly clear, with a low around 52.
Tuesday
 
 Sunny, with a high near 71.
Tuesday Night
 
 Mostly clear, with a low around 53.
Wednesday
 
 Sunny, with a high near 74.

 

Forecast from NOAA-NWS for Hercules CA.