National Weather Service Forecast for: Belmont CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:36 pm PDT Jul 12, 2026
 
This
Afternoon
This Afternoon: Partly sunny, with a steady temperature around 79. West wind around 7 mph.
Partly Sunny
Tonight

Tonight: Mostly cloudy, with a low around 62. West wind around 5 mph becoming calm  in the evening.
Mostly Cloudy
Monday

Monday: Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the afternoon.
Decreasing
Clouds
Monday
Night
Monday Night: Mostly clear, with a low around 63. West wind 5 to 7 mph becoming calm  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 86. Calm wind becoming west 5 to 9 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 59.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 81.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 74.
Sunny
Hi 79 °F Lo 62 °F Hi 87 °F Lo 63 °F Hi 86 °F Lo 59 °F Hi 81 °F Lo 56 °F Hi 74 °F

Coastal Flood Advisory
 

This Afternoon
 
Partly sunny, with a steady temperature around 79. West wind around 7 mph.
Tonight
 
Mostly cloudy, with a low around 62. West wind around 5 mph becoming calm in the evening.
Monday
 
Mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 63. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 86. Calm wind becoming west 5 to 9 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 59.
Wednesday
 
Sunny, with a high near 81.
Wednesday Night
 
Mostly clear, with a low around 56.
Thursday
 
Sunny, with a high near 74.
Thursday Night
 
Mostly clear, with a low around 55.
Friday
 
Mostly sunny, with a high near 76.
Friday Night
 
Partly cloudy, with a low around 58.
Saturday
 
Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Belmont CA.