National Weather Service Forecast for: Walnut Creek CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 am PDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 83. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 54. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 80. South southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 54. Southwest wind around 11 mph, with gusts as high as 25 mph.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 77. South southwest wind 7 to 9 mph, with gusts as high as 23 mph.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 54.
Mostly Clear
 Friday

Friday: Sunny, with a high near 82.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 55.
Mostly Clear
 Independence
Day
Independence Day: Sunny, with a high near 83.
Sunny
Hi 83 °F Lo 54 °F Hi 80 °F Lo 54 °F Hi 77 °F Lo 54 °F Hi 82 °F Lo 55 °F Hi 83 °F

 

Today
 
 Sunny, with a high near 83. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tonight
 
 Mostly clear, with a low around 54. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
 
 Sunny, with a high near 80. South southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Wednesday Night
 
 Mostly clear, with a low around 54. Southwest wind around 11 mph, with gusts as high as 25 mph.
Thursday
 
 Mostly sunny, with a high near 77. South southwest wind 7 to 9 mph, with gusts as high as 23 mph.
Thursday Night
 
 Mostly clear, with a low around 54.
Friday
 
 Sunny, with a high near 82.
Friday Night
 
 Mostly clear, with a low around 55.
Independence Day
 
 Sunny, with a high near 83.
Saturday Night
 
 Mostly clear, with a low around 55.
Sunday
 
 Mostly sunny, with a high near 80.
Sunday Night
 
 Partly cloudy, with a low around 55.
Monday
 
 Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Walnut Creek CA.