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Lewiston, California Weather Forecast
Lewiston, California Weather
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Weather Forecast for Lewiston, California : Trinity County
Issued: 1:10 am PST Dec 18, 2025 Latitude: 40.7073681 Longitude: -122.8075227 View on Google Maps

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Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
30% chance of rain on Overnight 70% chance of rain on Thursday 100% chance of rain on Friday 70% chance of rain on Saturday Rain on Sunday Rain on Monday 70% chance of rain on Tuesday 70% chance of rain on Wednesday
Low: 40°F High: 51°F High: 49°F High: 46°F High: 48°F High: 46°F High: 43°F High: 44°F
Low: 43°F Low: 35°F Low: 40°F Low: 37°F Low: 33°F Low: 35°F  
Rain Rain Rain Rain Rain Rain Rain Rain
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Current Conditions at
REDDING - (KRDD)
50°
Cloudy
as of 12:53 AM PST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
RED BLUFF - (KRBL)
52°
Cloudy
as of 12:54 AM PST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
5 MPH
0° North
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
MT SHASTA - (KMHS)
39°
Cloudy
as of 12:56 AM PST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 300ft, Scattered at 6500ft, Solid Overcast at 8500ft
Current Conditions at
ARCATA - (KACV)
48°
Cloudy
as of 12:53 AM PST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Solid Overcast at 9000ft
30% chance of rain Overnight Overnight... A 30 percent chance of rain, mainly after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
70% chance of rain Thursday Thursday... Rain likely, mainly between 10am and 4pm. Areas of fog before 10am. Otherwise, cloudy, with a high near 51. Calm wind becoming south around 6 mph in the afternoon. 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 43. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of rain Friday Friday... Rain. High near 49. South wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
80% chance of rain Friday Night Friday Night... Rain, mainly before 4am. Areas of fog after 4am. Low around 35. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of rain Saturday Saturday... Rain likely, mainly after 10am. Areas of fog before 10am. Otherwise, cloudy, with a high near 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
90% chance of rain Saturday Night Saturday Night... Rain. Low around 40. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Rain on Sunday Sunday... Rain. Cloudy, with a high near 48.
Rain on Sunday Night Sunday Night... Rain. Cloudy, with a low around 37.
Rain on Monday Monday... Rain. Cloudy, with a high near 46.
70% chance of rain Monday Night Monday Night... Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 33.
70% chance of rain Tuesday Tuesday... Rain likely. Patchy fog. Otherwise, cloudy, with a high near 43.
70% chance of rain Tuesday Night Tuesday Night... Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 35.
70% chance of rain Wednesday Wednesday... Rain likely. Patchy fog. Otherwise, cloudy, with a high near 44.
Current Radar Image


Sun Almanac for Lewiston, California
Sunrise: 07:30 AM
Sunset: 4:46 PM
Civil Sunrise:06:59 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:25 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:52 AM
Astro Sunset: 6:25 PM
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