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Alpine, California Weather Forecast
Alpine, California Weather
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Weather Forecast for Alpine, California : Mendocino County
Issued: 1:10 am PST Dec 18, 2025 Latitude: 39.4362764 Longitude: -123.5833462 View on Google Maps

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Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
60% chance of rain on Today 100% chance of rain on Tonight 100% chance of rain on Friday 70% chance of rain on Saturday 100% chance of rain on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
High: 59°F Low: 52°F High: 59°F High: 56°F High: 59°F High: 56°F High: 54°F High: 57°F
Low: 45°F Low: 49°F Low: 48°F Low: 42°F Low: 44°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
UKIAH - (KUKI)
46°
Clear
Fog
as of 5:30 AM PST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 1/4 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
SANTA ROSA - (KSTS)
46°
Cloudy
Mist
as of 4:53 AM PST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 3/4 Miles
Pressure: 30.15 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
RED BLUFF - (KRBL)
52°
Cloudy
as of 5:16 AM PST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
REDDING - (KRDD)
48°
Cloudy
as of 4:53 AM PST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 2000ft, Solid Overcast at 10000ft
60% chance of rain Today Today... Rain likely, mainly between 7am and 4pm. Cloudy, with a high near 59. Light east wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

100% chance of rain Tonight Tonight... Rain, mainly after 1am. Low around 52. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

100% chance of rain Friday Friday... Rain. High near 59. South southwest wind 5 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

70% chance of rain Friday Night Friday Night... Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 56. Calm 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 49. Calm wind becoming south southeast around 5 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

100% chance of rain Sunday Sunday... Rain. High near 59. 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 48.

70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 56.

70% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 42.

70% chance of rain Tuesday Tuesday... Rain likely. Mostly cloudy, with a high near 54.

70% chance of rain Tuesday Night Tuesday Night... Rain likely. Mostly cloudy, with a low around 44.

70% chance of rain Wednesday Wednesday... Rain likely. Mostly cloudy, with a high near 57.

Current Radar Image


Sun Almanac for Alpine, California
Sunrise: 07:30 AM
Sunset: 4:53 PM
Civil Sunrise:06:59 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:26 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:53 AM
Astro Sunset: 6:30 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.