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Clearlake, California Weather Forecast
Clearlake, California Weather
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Weather Forecast for Clearlake, California : Lake County
Issued: 1:10 am PST Dec 18, 2025 Latitude: 38.9582307 Longitude: -122.6263728 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
30% chance of rain on Today 80% chance of rain on Tonight 100% chance of rain on Friday 70% chance of rain on Saturday 100% chance of rain on Sunday Rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 61°F Low: 43°F High: 58°F High: 55°F High: 58°F High: 56°F High: 53°F High: 54°F
Low: 41°F Low: 44°F Low: 43°F Low: 38°F Low: 38°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
UKIAH - (KUKI)
46°
Clear
Fog
as of 3:56 AM PST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 1/4 Miles
Pressure: 30.14 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
SANTA ROSA - (KSTS)
45°
Clear
Mist
as of 3:53 AM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 3/4 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
3 MPH
280° West
Current Conditions at
VACAVILLE - (KVCB)
54°
Cloudy
as of 3:53 AM PST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
NAPA - (KAPC)
48°
Cloudy
Mist
as of 4:06 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 6 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1400ft
30% chance of rain Today Today... A 30 percent chance of rain after 4pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.
80% chance of rain Tonight Tonight... Rain, mainly after 10pm. Low around 43. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Friday Friday... Rain. High near 58. South southwest wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
80% chance of rain Friday Night Friday Night... Rain, mainly before 10pm. Patchy fog after 4am. Low around 41. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
100% chance of rain Saturday Night Saturday Night... Rain. Low around 44. Calm wind. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
100% chance of rain Sunday Sunday... Rain. High near 58. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 43.
Rain on Monday Monday... Rain. Mostly cloudy, with a high near 56.
70% chance of rain Monday Night Monday Night... Rain likely. Areas of fog after 4am. Otherwise, mostly cloudy, with a low around 38.
70% chance of rain Tuesday Tuesday... Rain likely. Areas of fog. Otherwise, mostly cloudy, with a high near 53.
Rain on Tuesday Night Tuesday Night... Rain. Mostly cloudy, with a low around 38.
70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 54.
Current Radar Image


Sun Almanac for Clearlake, California
Sunrise: 07:24 AM
Sunset: 4:50 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:26 PM
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