National Weather Service Forecast for: Los Altos CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 am PDT Jun 22, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 56. Calm wind.
Mostly Cloudy
Monday

Monday: Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming north 5 to 8 mph in the afternoon.
Becoming
Sunny
Monday
Night
Monday Night: Increasing clouds, with a low around 56. North wind around 6 mph becoming calm  in the evening.
Increasing
Clouds
Tuesday

Tuesday: Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Becoming
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 84.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 80.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 56.
Mostly Clear
Lo 56 °F Hi 80 °F Lo 56 °F Hi 82 °F Lo 57 °F Hi 84 °F Lo 57 °F Hi 80 °F Lo 56 °F

 

Overnight
 
Mostly cloudy, with a low around 56. Calm wind.
Monday
 
Partly sunny, then gradually becoming sunny, with a high near 80. Calm wind becoming north 5 to 8 mph in the afternoon.
Monday Night
 
Increasing clouds, with a low around 56. North wind around 6 mph becoming calm in the evening.
Tuesday
 
Partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 84.
Wednesday Night
 
Mostly clear, with a low around 57.
Thursday
 
Sunny, with a high near 80.
Thursday Night
 
Mostly clear, with a low around 56.
Friday
 
Mostly sunny, with a high near 76.
Friday Night
 
Partly cloudy, with a low around 58.
Saturday
 
Mostly sunny, with a high near 74.
Saturday Night
 
Mostly clear, with a low around 54.
Sunday
 
Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Los Altos CA.