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

Overnight: Mostly clear, with a low around 56. South wind around 5 mph becoming calm.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 80. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54. South southwest wind 5 to 7 mph.
Mostly Clear
Wednesday

Wednesday: Mostly sunny, with a high near 77. South wind 5 to 9 mph becoming west in the afternoon.
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 54. Southwest wind 6 to 9 mph.
Partly Cloudy
Thursday

Thursday: Mostly sunny, with a high near 74.
Mostly Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 55.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 78.
Mostly Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 56.
Mostly Clear
Lo 56 °F Hi 80 °F Lo 54 °F Hi 77 °F Lo 54 °F Hi 74 °F Lo 55 °F Hi 78 °F Lo 56 °F

 

Overnight
 
Mostly clear, with a low around 56. South wind around 5 mph becoming calm.
Tuesday
 
Sunny, with a high near 80. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 54. South southwest wind 5 to 7 mph.
Wednesday
 
Mostly sunny, with a high near 77. South wind 5 to 9 mph becoming west in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 54. Southwest wind 6 to 9 mph.
Thursday
 
Mostly sunny, with a high near 74.
Thursday Night
 
Partly cloudy, with a low around 55.
Friday
 
Mostly sunny, with a high near 78.
Friday Night
 
Mostly clear, with a low around 56.
Independence Day
 
Mostly sunny, with a high near 79.
Saturday Night
 
Mostly clear, with a low around 56.
Sunday
 
Partly sunny, with a high near 78.
Sunday Night
 
Partly cloudy, with a low around 56.
Monday
 
Partly sunny, with a high near 77.

 

Forecast from NOAA-NWS for Atherton CA.