National Weather Service Forecast for: Atherton 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 steady temperature around 59. West wind around 10 mph, with gusts as high as 18 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 74. West northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 55. West northwest wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.
Mostly Clear
Monday

Monday: Sunny, with a high near 83. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 55. West northwest wind 5 to 9 mph becoming light west  after midnight.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 82.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 57.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 81.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57.
Mostly Clear
Lo 59 °F Hi 74 °F Lo 55 °F Hi 83 °F Lo 55 °F Hi 82 °F Lo 57 °F Hi 81 °F Lo 57 °F

 

Overnight
 
Mostly clear, with a steady temperature around 59. West wind around 10 mph, with gusts as high as 18 mph.
Sunday
 
Sunny, with a high near 74. West northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Sunday Night
 
Mostly clear, with a low around 55. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Monday
 
Sunny, with a high near 83. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 55. West northwest wind 5 to 9 mph becoming light west after midnight.
Tuesday
 
Sunny, with a high near 82.
Tuesday Night
 
Mostly clear, with a low around 57.
Wednesday
 
Sunny, with a high near 81.
Wednesday Night
 
Mostly clear, with a low around 57.
Thursday
 
Sunny, with a high near 82.
Thursday Night
 
Mostly clear, with a low around 57.
Friday
 
Sunny, with a high near 81.
Friday Night
 
Mostly clear, with a low around 57.
Saturday
 
Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Atherton CA.