National Weather Service Forecast for: Clearlake CA
Issued by: National Weather Service Eureka, CA
Updated: 3:09 pm PST Dec 22, 2025
 
Tonight

Tonight: Showers likely before 7pm, then rain, mainly after 7pm. Low around 45. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
 Tuesday

Tuesday: Rain. High near 56. Light southeast wind becoming east southeast 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Rain
 Tuesday
Night
Tuesday Night: Rain. Low around 41. Breezy, with a south southeast wind 15 to 18 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Rain and
Breezy
 Wednesday

Wednesday: Rain. High near 53. Southwest wind around 11 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
 Wednesday
Night
Wednesday Night: Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Low around 42. South southeast wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Showers
 Christmas
Day
Christmas Day: Showers and possibly a thunderstorm. High near 50. Breezy, with a south wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Showers and
Breezy
 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Low around 38. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers
 Friday

Friday: Rain, mainly before 4pm. Mostly cloudy, with a high near 50.
Rain
 Friday
Night
Friday Night: A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33.
Chance Rain
Lo 45 °F Hi 56 °F Lo 41 °F Hi 53 °F Lo 42 °F Hi 50 °F Lo 38 °F Hi 50 °F Lo 33 °F

Flood Watch
High Wind Warning
 

Tonight
 
 Showers likely before 7pm, then rain, mainly after 7pm. Low around 45. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
 
 Rain. High near 56. Light southeast wind becoming east southeast 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
 
 Rain. Low around 41. Breezy, with a south southeast wind 15 to 18 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
 
 Rain. High near 53. Southwest wind around 11 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Low around 42. South southeast wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Christmas Day
 
 Showers and possibly a thunderstorm. High near 50. Breezy, with a south wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
 
 Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Low around 38. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
 
 Rain, mainly before 4pm. Mostly cloudy, with a high near 50.
Friday Night
 
 A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33.
Saturday
 
 Sunny, with a high near 53.
Saturday Night
 
 Mostly clear, with a low around 32.
Sunday
 
 Sunny, with a high near 56.
Sunday Night
 
 Mostly clear, with a low around 34.
Monday
 
 Sunny, with a high near 58.

 

Forecast from NOAA-NWS for Clearlake CA.