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December 15th, 2025 :: 12:19 pm PST   

Local Weather Report for
Clearlake
California, United States

 Clearlake Weather Forecast Summary  
 
Today
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Thursday
Dec 18th
Friday
Dec 19th
Cloudy Cloudy Cloudy Cloudy Showers
64°F
64°F
53°F
59°F
47°F
63°F
47°F
57°F
46°F
 
 Clearlake Detailed Weather Forecast  
 
Monday, December 15th, 2025
Afternoon Temperature: 58°F
A mix of cloud and sun.
Evening Temperature: 53°F
A mix of cloudy and clear skies.
Tuesday, December 16th, 2025
Overnight Temperature: 53°F
Cloudy.
Morning Temperature: 63°F
Cloudy.
Afternoon Temperature: 58°F
Cloudy with a chance of showers.
Evening Temperature: 55°F
Cloudy with a chance of showers.
Wednesday, December 17th, 2025
Overnight Temperature: 57°F
Cloudy with a chance of showers.
Morning Temperature: 58°F
Sunny with cloudy periods with a slight chance of showers. Windy at times.
Afternoon Temperature: 53°F
Cloudy.
Evening Temperature: 48°F
Clear.
Thursday, December 18th, 2025
Overnight Temperature: 47°F
Cloudy.
Morning Temperature: 60°F
Cloudy.
Afternoon Temperature: 55°F
Cloudy.
Evening Temperature: 49°F
Cloudy.
Friday, December 19th, 2025
Overnight Temperature: 46°F
Cloudy.
Morning Temperature: 55°F
Cloudy.
Afternoon Temperature: 52°F
Cloudy with a few showers.
Evening Temperature: 51°F
Cloudy with showers likely.
Saturday, December 20th, 2025
Overnight Temperature: 51°F
Cloudy.
Morning Temperature: 57°F
Cloudy.
Afternoon Temperature: 54°F
Cloudy with showers likely.
Evening Temperature: 50°F
Cloudy with showers likely.
Sunday, December 21st, 2025
Overnight Temperature: 51°F
Cloudy with showers likely.
Morning Temperature: 55°F
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 52°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 45°F
Cloudy with showers likely.
Monday, December 22nd, 2025
Overnight Temperature: 41°F
Cloudy.
Morning Temperature: 48°F
Cloudy.
Afternoon Temperature: 46°F
Cloudy.
Evening Temperature: 43°F
Cloudy with showers likely.
Tuesday, December 23rd, 2025
Overnight Temperature: 44°F
Cloudy with a chance of showers.
Morning Temperature: 46°F
Cloudy with showers.
Afternoon Temperature: 51°F
Cloudy with showers. Windy.
Evening Temperature: 44°F
Cloudy with a chance of showers. Windy at times.





 

  [ Local Weather Report ]
Lakeport, CA 
 
Calistoga, CA 
 
Healdsburg, CA 
 
Windsor, CA 
10:53 AM  43°F
mist
 
Ukiah, CA 
10:56 AM  52°F
Overcast
 
Santa Rosa, CA 
10:53 AM  43°F
mist
 
Rio Dell, CA 
10:53 AM  43°F
mist
 
Sebastopol, CA 
 
Yountville, CA 
 
Rohnert Park, CA 

 
This WeatherCity Weather Forecast for Clearlake, California, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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