National Weather Service Forecast for: Discovery Bay CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 11:26 pm PDT Jun 29, 2026
 
Tonight

Tonight: Clear, with a low around 60. West southwest wind 5 to 8 mph.
Clear
 Tuesday

Tuesday: Sunny, with a high near 92. Light west southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
 Tuesday
Night
Tuesday Night: Clear, with a low around 57. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Clear
 Wednesday

Wednesday: Sunny, with a high near 88. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56. West southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 85.
Sunny
 Thursday
Night
Thursday Night: Clear, with a low around 56.
Clear
 Friday

Friday: Sunny, with a high near 90.
Sunny
 Friday
Night
Friday Night: Clear, with a low around 59.
Clear
Lo 60 °F Hi 92 °F Lo 57 °F Hi 88 °F Lo 56 °F Hi 85 °F Lo 56 °F Hi 90 °F Lo 59 °F

 

Tonight
 
 Clear, with a low around 60. West southwest wind 5 to 8 mph.
Tuesday
 
 Sunny, with a high near 92. Light west southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
 Clear, with a low around 57. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Wednesday
 
 Sunny, with a high near 88. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
 
 Mostly clear, with a low around 56. West southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Clear, with a low around 56.
Friday
 
 Sunny, with a high near 90.
Friday Night
 
 Clear, with a low around 59.
Independence Day
 
 Sunny, with a high near 93.
Saturday Night
 
 Mostly clear, with a low around 59.
Sunday
 
 Mostly sunny, with a high near 90.
Sunday Night
 
 Mostly clear, with a low around 58.
Monday
 
 Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Discovery Bay CA.