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Belfast, California Weather Forecast
Belfast, California Weather
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Click for Wind Advisory for Belfast, California
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Weather Forecast for Belfast, California : Lassen County
Issued: 1:15 pm PST Dec 18, 2025 Latitude: 40.4435095 Longitude: -120.4516114 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Sunny on This Afternoon 30% chance of rain & snow on Tonight 60% chance of rain on Friday 50% chance of rain & snow on Saturday 100% chance of rain on Sunday Rain and Snow on Monday Rain and Snow on Tuesday Rain and Snow on Wednesday
High: 60°F Low: 39°F High: 53°F High: 55°F High: 54°F High: 50°F High: 49°F High: 46°F
Low: 38°F Low: 40°F Low: 38°F Low: 33°F Low: 31°F  
Mostly Sunny Rain & Snow Rain Rain & Snow Rain Rain and Snow Rain and Snow Rain and Snow
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Current Conditions at
ALTURAS - (KAAT)
52°
Cloudy
as of 12:55 PM PST
Rel. Humidity: 57%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 24 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 3600ft
Current Conditions at
RENO - (KRNO)
64°
Mostly Cloudy
as of 12:55 PM PST
Rel. Humidity: 18%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
5 MPH
070° East
Cloud Level(s): Broken at 24000ft
Current Conditions at
TRUCKEE - (KTRK)
55°
Mostly Cloudy
as of 12:49 PM PST
Rel. Humidity: 43%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
18 MPH
230° Southwest
Cloud Level(s): Few at 10000ft, Broken at 20000ft
Current Conditions at
OROVILLE - (KOVE)
55°
Cloudy
as of 1:11 PM PST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 8 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
8 MPH
150° Southeast
Cloud Level(s): Broken at 700ft, Solid Overcast at 1200ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 60. West wind 10 to 15 mph.
30% chance of rain & snow Tonight Tonight... A 30 percent chance of rain after 4am. Snow level 7100 feet. Partly cloudy, with a low around 39. Southwest wind around 15 mph, with gusts as high as 25 mph.
60% chance of rain Friday Friday... Rain likely, mainly after 7am. Mostly cloudy, with a high near 53. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
50% chance of rain Friday Night Friday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 38. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.
50% chance of rain & snow Saturday Saturday... A 50 percent chance of rain. Snow level 6600 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 55. Southwest wind 5 to 10 mph.
90% chance of rain Saturday Night Saturday Night... Rain. Low around 40. Southwest wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
100% chance of rain Sunday Sunday... Rain. High near 54. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 38.
Rain and Snow on Monday Monday... Rain. Snow level 7000 feet. Mostly cloudy, with a high near 50.
70% chance of rain & snow Monday Night Monday Night... Rain likely. Snow level 6300 feet. Mostly cloudy, with a low around 33.
Rain and Snow on Tuesday Tuesday... Rain. Snow level 6200 feet. Mostly cloudy, with a high near 49.
Rain and Snow on Tuesday Night Tuesday Night... Rain and snow. Snow level 6100 feet. Mostly cloudy, with a low around 31.
Rain and Snow on Wednesday Wednesday... Rain and snow. Snow level 5300 feet. Mostly cloudy, with a high near 46.
Current Radar Image


Sun Almanac for Belfast, California
Sunrise: 07:20 AM
Sunset: 4:37 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:16 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.