National Weather Service Forecast for: Atherton CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:36 pm PDT Jul 12, 2026
 
This
Afternoon
This Afternoon: Mostly cloudy, with a high near 83. North wind around 6 mph.
Mostly Cloudy
Tonight

Tonight: Mostly cloudy, with a low around 62. Calm wind.
Mostly Cloudy
Monday

Monday: Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the afternoon.
Decreasing
Clouds
Monday
Night
Monday Night: Mostly clear, with a low around 66. Northwest wind around 6 mph becoming calm  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 88. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 62.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 84.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 58.
Mostly Clear
Thursday

Thursday: Mostly sunny, with a high near 78.
Mostly Sunny
Hi 83 °F Lo 62 °F Hi 88 °F Lo 66 °F Hi 88 °F Lo 62 °F Hi 84 °F Lo 58 °F Hi 78 °F

Coastal Flood Advisory
 

This Afternoon
 
Mostly cloudy, with a high near 83. North wind around 6 mph.
Tonight
 
Mostly cloudy, with a low around 62. Calm wind.
Monday
 
Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 66. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 88. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 62.
Wednesday
 
Sunny, with a high near 84.
Wednesday Night
 
Mostly clear, with a low around 58.
Thursday
 
Mostly sunny, with a high near 78.
Thursday Night
 
Mostly clear, with a low around 57.
Friday
 
Mostly sunny, with a high near 80.
Friday Night
 
Partly cloudy, with a low around 59.
Saturday
 
Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Atherton CA.