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Castella, California Weather Forecast
Castella, California Weather
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Weather Forecast for Castella, California : Shasta County
Issued: 1:21 am PST Dec 18, 2025 Latitude: 41.1384854 Longitude: -122.3177877 View on Google Maps

MouseOver for Detail Forecast
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 80% chance of rain on Saturday Thunderstorms on Sunday Rain on Monday Rain on Tuesday Rain on Wednesday
Low: 39°F High: 51°F High: 51°F High: 50°F High: 52°F High: 50°F High: 49°F High: 49°F
Low: 43°F Low: 36°F Low: 41°F Low: 40°F Low: 36°F Low: 38°F  
Rain Rain Rain Rain Thunderstorms Rain Rain Rain
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Current Conditions at
MT SHASTA - (KMHS)
39°
Cloudy
as of 3:56 AM PST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 7000ft, Solid Overcast at 11000ft
Current Conditions at
REDDING - (KRDD)
48°
Cloudy
as of 3:53 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2100ft
Current Conditions at
MONTAGUE/SSK - (KSIY)
39°
Cloudy
as of 3:53 AM PST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 6500ft
Current Conditions at
RED BLUFF - (KRBL)
52°
Cloudy
as of 3:54 AM PST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
5 MPH
320° Northwest
Cloud Level(s): Broken at 1100ft, Solid Overcast at 1900ft
30% chance of rain Overnight Overnight... A 30 percent chance of showers, mainly after 5am. Widespread dense fog, mainly before 5am. Otherwise, mostly cloudy, with a low around 39. Calm wind.
70% chance of rain Thursday Thursday... Showers likely, mainly between 9am and 4pm. Widespread dense fog, mainly between 7am and 8am. Otherwise, mostly cloudy, with a high near 51. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of rain Thursday Night Thursday Night... Showers. The rain could be heavy at times. Areas of fog. Low around 43. South wind around 6 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
100% chance of rain Friday Friday... Showers. The rain could be heavy at times. High near 51. South southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
90% chance of rain Friday Night Friday Night... Showers, mainly before 4am. Low around 36. Calm wind. Chance of precipitation is 90%.
80% chance of rain Saturday Saturday... Showers, mainly after 10am. High near 50. Chance of precipitation is 80%.
90% chance of rain Saturday Night Saturday Night... Showers. The rain could be heavy at times. Low around 41. Chance of precipitation is 90%.
Thunderstorms on Sunday Sunday... Showers and possibly a thunderstorm. Cloudy, with a high near 52.
Rain on Sunday Night Sunday Night... Showers. Cloudy, with a low around 40.
Rain on Monday Monday... Showers. Mostly cloudy, with a high near 50.
Rain on Monday Night Monday Night... Showers likely. Mostly cloudy, with a low around 36.
Rain on Tuesday Tuesday... Showers likely. Mostly cloudy, with a high near 49.
Rain on Tuesday Night Tuesday Night... Showers likely. Mostly cloudy, with a low around 38.
Rain on Wednesday Wednesday... Showers likely. Mostly cloudy, with a high near 49.
Current Radar Image


Sun Almanac for Castella, California
Sunrise: 07:30 AM
Sunset: 4:42 PM
Civil Sunrise:06:59 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:50 AM
Astro Sunset: 6:22 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.