National Weather Service Forecast for: Discovery Bay CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Jun 19, 2026
 
Tonight

Tonight: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light west northwest  after midnight. Winds could gust as high as 20 mph.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 84. West wind 5 to 11 mph, with gusts as high as 21 mph.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 55. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 90. West wind 3 to 8 mph.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 57. West wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 20 mph.
Clear
Monday

Monday: Sunny, with a high near 92.
Sunny
Monday
Night
Monday Night: Clear, with a low around 58.
Clear
Tuesday

Tuesday: Sunny, with a high near 94.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 59.
Clear
Lo 57 °F Hi 84 °F Lo 55 °F Hi 90 °F Lo 57 °F Hi 92 °F Lo 58 °F Hi 94 °F Lo 59 °F

 

Tonight
 
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 20 mph.
Saturday
 
Sunny, with a high near 84. West wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday Night
 
Mostly clear, with a low around 55. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday
 
Sunny, with a high near 90. West wind 3 to 8 mph.
Sunday Night
 
Clear, with a low around 57. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
 
Sunny, with a high near 92.
Monday Night
 
Clear, with a low around 58.
Tuesday
 
Sunny, with a high near 94.
Tuesday Night
 
Clear, with a low around 59.
Wednesday
 
Sunny and hot, with a high near 96.
Wednesday Night
 
Clear, with a low around 60.
Thursday
 
Sunny, with a high near 94.
Thursday Night
 
Clear, with a low around 59.
Friday
 
Sunny, with a high near 92.

 

Forecast from NOAA-NWS for Discovery Bay CA.