National Weather Service Forecast for: Hayward CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 2:07 am PDT Sep 13, 2026
 
Overnight

Overnight: Mostly clear, with a low around 58. West southwest wind around 8 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 71. West wind 7 to 14 mph, with gusts as high as 22 mph.
Sunny
Sunday
Night
Sunday Night: Partly cloudy, with a low around 56. West wind 5 to 9 mph becoming light and variable  in the evening.
Partly Cloudy
Monday

Monday: Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming west 5 to 9 mph in the afternoon.
Becoming
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 57. West wind 5 to 9 mph becoming light  in the evening.
Mostly Clear
Tuesday

Tuesday: Mostly sunny, with a high near 78.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 58.
Mostly Clear
Wednesday

Wednesday: Mostly sunny, with a high near 77.
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 58.
Mostly Clear
Lo 58 °F Hi 71 °F Lo 56 °F Hi 79 °F Lo 57 °F Hi 78 °F Lo 58 °F Hi 77 °F Lo 58 °F

 

Overnight
 
Mostly clear, with a low around 58. West southwest wind around 8 mph.
Sunday
 
Sunny, with a high near 71. West wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday Night
 
Partly cloudy, with a low around 56. West wind 5 to 9 mph becoming light and variable in the evening.
Monday
 
Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming west 5 to 9 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 57. West wind 5 to 9 mph becoming light in the evening.
Tuesday
 
Mostly sunny, with a high near 78.
Tuesday Night
 
Mostly clear, with a low around 58.
Wednesday
 
Mostly sunny, with a high near 77.
Wednesday Night
 
Mostly clear, with a low around 58.
Thursday
 
Mostly sunny, with a high near 79.
Thursday Night
 
Mostly clear, with a low around 58.
Friday
 
Mostly sunny, with a high near 77.
Friday Night
 
Partly cloudy, with a low around 58.
Saturday
 
Mostly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Hayward CA.