National Weather Service Forecast for: Atherton CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 10:26 pm PST Nov 1, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 48. Light south wind.
Partly Cloudy

 Monday

Monday: Partly sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Partly Sunny

 Monday
Night
Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 50. Calm wind becoming south around 5 mph.
Gradual
Clearing
 Tuesday

Tuesday: Rain likely, mainly before 4pm. Partly sunny, with a high near 67. Southwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Rain Likely

 Tuesday
Night
Tuesday Night: A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 49. Light and variable wind.
Slight Chance
Rain then
Patchy Fog
 Wednesday

Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 68.
Patchy Fog
then Sunny
 Wednesday
Night
Wednesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 51.
Partly Cloudy
then Patchy
Fog
 Thursday

Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71.
Patchy Fog
then Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 50.
Mostly Clear
Lo 48 °F Hi 68 °F Lo 50 °F Hi 67 °F Lo 49 °F Hi 68 °F Lo 51 °F Hi 71 °F Lo 50 °F

 

Tonight
 
 Partly cloudy, with a low around 48. Light south wind.
Monday
 
 Partly sunny, with a high near 68. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
 
 Cloudy during the early evening, then gradual clearing, with a low around 50. Calm wind becoming south around 5 mph.
Tuesday
 
 Rain likely, mainly before 4pm. Partly sunny, with a high near 67. Southwest wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 A 20 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 49. Light and variable wind.
Wednesday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 68.
Wednesday Night
 
 Patchy fog after 3am. Otherwise, partly cloudy, with a low around 51.
Thursday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71.
Thursday Night
 
 Mostly clear, with a low around 50.
Friday
 
 Sunny, with a high near 73.
Friday Night
 
 Clear, with a low around 52.
Saturday
 
 Sunny, with a high near 76.
Saturday Night
 
 Mostly clear, with a low around 54.
Sunday
 
 Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Atherton CA.