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Island Mountain, California Weather Forecast
Island Mountain, California Weather
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Weather Forecast for Island Mountain, California : Trinity County
Issued: 1:10 am PST Dec 18, 2025 Latitude: 40.0262607 Longitude: -123.4903007 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Overnight 70% chance of rain on Thursday 100% chance of rain on Friday 60% chance of rain on Saturday Rain on Sunday 70% chance of rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
Low: 44°F High: 54°F High: 54°F High: 51°F High: 53°F High: 50°F High: 49°F High: 49°F
Low: 49°F Low: 42°F Low: 47°F Low: 43°F Low: 38°F Low: 39°F  
Mostly Cloudy Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
UKIAH - (KUKI)
45°
Clear
Fog
as of 2:11 AM PST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 1/2 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
RED BLUFF - (KRBL)
52°
Cloudy
as of 1:54 AM PST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1200ft
Current Conditions at
REDDING - (KRDD)
50°
Cloudy
as of 1:53 AM PST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
ARCATA - (KACV)
48°
Cloudy
as of 1:53 AM PST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 9000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 44. Calm wind.
70% chance of rain Thursday Thursday... Rain likely, mainly between 7am and 4pm. Cloudy, with a high near 54. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Thursday Night Thursday Night... Rain, mainly after 1am. Low around 49. South southeast wind around 10 mph, with gusts as high as 30 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 54. South southwest wind 8 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
70% chance of rain Friday Night Friday Night... Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
60% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Light south wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
90% chance of rain Saturday Night Saturday Night... Rain. Low around 47. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Rain on Sunday Sunday... Rain. Cloudy, with a high near 53.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 43.
70% chance of rain Monday Monday... Rain likely. Mostly cloudy, with a high near 50.
70% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 38.
70% chance of rain Tuesday Tuesday... Rain likely. Mostly cloudy, with a high near 49.
70% chance of rain Tuesday Night Tuesday Night... Rain likely. Mostly cloudy, with a low around 39.
70% chance of rain Wednesday Wednesday... Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 49.
Current Radar Image


Sun Almanac for Island Mountain, California
Sunrise: 07:31 AM
Sunset: 4:51 PM
Civil Sunrise:07:00 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 06:26 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:53 AM
Astro Sunset: 6:28 PM
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