National Weather Service Forecast for: Atherton CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Apr 6, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm  in the evening.
Partly Cloudy

Tuesday

Tuesday: Partly sunny, then gradually becoming sunny, with a high near 72. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Becoming
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 51. West northwest wind 5 to 8 mph becoming calm  in the evening.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 75. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 55. West wind 5 to 8 mph becoming calm  in the evening.
Partly Cloudy
then Patchy
Fog
Thursday

Thursday: A 30 percent chance of rain after 11am.  Patchy fog before 7am.  Otherwise, partly sunny, with a high near 72.
Chance Rain
and Patchy
Fog
Thursday
Night
Thursday Night: A 30 percent chance of rain.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 53.
Chance Rain
and Patchy
Fog
Friday

Friday: Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am.  Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 71.
Showers
Likely and
Patchy Fog
Friday
Night
Friday Night: A chance of rain.  Mostly cloudy, with a low around 52.
Chance Rain

Lo 49 °F Hi 72 °F Lo 51 °F Hi 75 °F Lo 55 °F Hi 72 °F Lo 53 °F Hi 71 °F Lo 52 °F

 

Tonight
 
Partly cloudy, with a low around 49. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
 
Partly sunny, then gradually becoming sunny, with a high near 72. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 51. West northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 75. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
 
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. West wind 5 to 8 mph becoming calm in the evening.
Thursday
 
A 30 percent chance of rain after 11am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 72.
Thursday Night
 
A 30 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 53.
Friday
 
Rain likely before 11am, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 71.
Friday Night
 
A chance of rain. Mostly cloudy, with a low around 52.
Saturday
 
A chance of rain. Patchy fog before 8am. Otherwise, partly sunny, with a high near 68.
Saturday Night
 
A chance of rain. Mostly cloudy, with a low around 49.
Sunday
 
A chance of rain. Mostly sunny, with a high near 65.
Sunday Night
 
Partly cloudy, with a low around 47.
Monday
 
Mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Atherton CA.