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Alleghany, California Weather Forecast
Alleghany, California Weather
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Weather Forecast for Alleghany, California : Sierra County
Issued: 1:51 pm PST Dec 17, 2025 Latitude: 39.4696185 Longitude: -120.843279 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
30% chance of rain on Tonight 20% chance of on Thursday 90% chance of rain on Friday 90% chance of rain on Saturday Thunderstorms on Sunday Rain on Monday Rain on Tuesday Rain on Wednesday
Low: 45°F High: 52°F High: 49°F High: 52°F High: 52°F High: 49°F High: 46°F High: 46°F
Low: 43°F Low: 46°F Low: 46°F Low: 44°F Low: 43°F Low: 42°F  
Rain Partly Sunny Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
BLUE CANYON - (KBLU)
43°
Partly Cloudy
Mist
as of 5:23 PM PST
Rel. Humidity: 100%
Dew Point: 43°F
Visibility: 2 Miles
Pressure: 30.22 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Scattered at 100ft
Current Conditions at
AUBURN - (KAUN)
55°
Cloudy
as of 5:15 PM PST
Rel. Humidity: 100%
Dew Point: 55°F
Visibility: 9 Miles
Pressure: 30.17 in.
Flight Rule: IFR
Wind Data
5 MPH
260° West
Cloud Level(s): Few at 400ft, Solid Overcast at 900ft
Current Conditions at
BEALE AFB - (KBAB)
54°
Mostly Cloudy
Mist
as of 5:10 PM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 3 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
8 MPH
340° North
Cloud Level(s): Broken at 2600ft
Current Conditions at
TRUCKEE - (KTRK)
39°
Clear
as of 4:48 PM PST
Rel. Humidity: 80%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
30% chance of rain Tonight Tonight... A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a steady temperature around 45. Calm wind.
20% chance of Thursday Thursday... A slight chance of showers between 10am and 2pm. Partly sunny, with a high near 52. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
60% chance of rain Thursday Night Thursday Night... Showers likely, mainly after 4am. Mostly cloudy, with a low around 43. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Friday Friday... Showers. High near 49. South wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
100% chance of rain Friday Night Friday Night... Showers. Low around 46. South southwest wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
90% chance of rain Saturday Saturday... Showers. High near 52. Chance of precipitation is 90%.
90% chance of rain Saturday Night Saturday Night... Showers. Low around 46. Chance of precipitation is 90%.
Thunderstorms on Sunday Sunday... Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 52.
Thunderstorms on Sunday Night Sunday Night... Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 44.
Rain on Monday Monday... Showers. Cloudy, with a high near 49.
Rain on Monday Night Monday Night... Showers. Mostly cloudy, with a low around 43.
Rain on Tuesday Tuesday... Showers likely. Mostly cloudy, with a high near 46.
Rain on Tuesday Night Tuesday Night... Showers. Cloudy, with a low around 42.
Rain on Wednesday Wednesday... Showers. Cloudy, with a high near 46.
Current Radar Image


Sun Almanac for Alleghany, California
Sunrise: 07:18 AM
Sunset: 4:41 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 6:18 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.