National Weather Service Forecast for: Guerneville CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Updated: 1:26 pm PDT Apr 13, 2025
 
Tonight

Tonight: Clear, with a low around 53. Calm wind.
Clear

 Monday

Monday: Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny

 Monday
Night
Monday Night: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 48. Calm wind.
Mostly Clear
then Patchy
Fog
 Tuesday

Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 65. Calm wind becoming south southwest around 6 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
 Tuesday
Night
Tuesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm in the evening.
Mostly Cloudy
then Patchy
Fog
 Wednesday

Wednesday: Partly sunny, with a high near 64.
Partly Sunny

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 49.
Mostly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 65.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 48.
Mostly Clear
Lo 53 °F Hi 76 °F Lo 48 °F Hi 65 °F Lo 50 °F Hi 64 °F Lo 49 °F Hi 65 °F Lo 48 °F

 

Tonight
 
 Clear, with a low around 53. Calm wind.
Monday
 
 Sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
 
 Patchy fog after 5am. Otherwise, increasing clouds, with a low around 48. Calm wind.
Tuesday
 
 Patchy fog before 8am. Otherwise, partly sunny, with a high near 65. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
 
 Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 50. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
 
 Partly sunny, with a high near 64.
Wednesday Night
 
 Mostly cloudy, with a low around 49.
Thursday
 
 Mostly sunny, with a high near 65.
Thursday Night
 
 Mostly clear, with a low around 48.
Friday
 
 Sunny, with a high near 71.
Friday Night
 
 Clear, with a low around 49.
Saturday
 
 Sunny, with a high near 71.
Saturday Night
 
 Mostly clear, with a low around 47.
Sunday
 
 Sunny, with a high near 68.

 

Forecast from NOAA-NWS for Guerneville CA.