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Cooper, California Weather Forecast
Cooper, California Weather
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Weather Forecast for Cooper, California : Lake County
Issued: 1:10 pm PST Dec 18, 2025 Latitude: 39.2196114 Longitude: -123.0041659 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
30% chance of rain on This Afternoon 60% chance of rain on Tonight 100% chance of rain on Friday 70% chance of rain on Saturday 100% chance of thunderstorms on Sunday Rain on Monday Rain on Tuesday Rain on Wednesday
High: 54°F Low: 44°F High: 53°F High: 51°F High: 53°F High: 50°F High: 48°F High: 49°F
Low: 40°F Low: 43°F Low: 42°F Low: 38°F Low: 36°F  
Rain Rain Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
UKIAH - (KUKI)
57°
Cloudy
as of 1:56 PM PST
Rel. Humidity: 71%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3000ft
Current Conditions at
SANTA ROSA - (KSTS)
52°
Cloudy
as of 1:53 PM PST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 9 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 1000ft, Solid Overcast at 3300ft
Current Conditions at
RED BLUFF - (KRBL)
54°
Cloudy
Mist
as of 2:13 PM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 2 Miles
Pressure: 30.11 in.
Flight Rule: IFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Broken at 500ft, Broken at 1100ft, Solid Overcast at 1700ft
Current Conditions at
OROVILLE - (KOVE)
54°
Cloudy
as of 2:12 PM PST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 8 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
12 MPH
160° South
Cloud Level(s): Scattered at 700ft, Solid Overcast at 1300ft
30% chance of rain This Afternoon This Afternoon... A 30 percent chance of showers, mainly after 4pm. Cloudy, with a high near 54. Calm wind.
60% chance of rain Tonight Tonight... A chance of showers before 7pm, then rain likely, mainly after 4am. Cloudy, with a low around 44. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of rain Friday Friday... Rain before 1pm, then showers, mainly after 1pm. High near 53. West southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
70% chance of rain Friday Night Friday Night... Showers likely, mainly before 10pm, then a chance of rain after 1am. Mostly cloudy, with a low around 40. West wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Mostly cloudy, with a high near 51. Calm wind becoming south around 5 mph in the afternoon. 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 43. South southeast wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
100% chance of thunderstorms Sunday Sunday... Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 53. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 42.
Rain on Monday Monday... Rain. Mostly cloudy, with a high near 50.
70% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 38.
Rain on Tuesday Tuesday... Rain. Mostly cloudy, with a high near 48.
Rain on Tuesday Night Tuesday Night... Rain. Mostly cloudy, with a low around 36.
Rain on Wednesday Wednesday... Rain. Mostly cloudy, with a high near 49.
Current Radar Image


Sun Almanac for Cooper, California
Sunrise: 07:27 AM
Sunset: 4:51 PM
Civil Sunrise:06:56 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:23 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:50 AM
Astro Sunset: 6:28 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.