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Summerville, California Weather Forecast
Summerville, California Weather
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Weather Forecast for Summerville, California : Siskiyou County
Issued: 10:41 pm PDT Nov 1, 2025 Latitude: 41.0987505 Longitude: -123.067815 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
20% chance of rain on Overnight Mostly Cloudy on Sunday 40% chance of  on Monday 80% chance of rain on Tuesday Thunderstorms on Wednesday Rain on Thursday 20% chance of  on Friday 20% chance of  on Saturday
Low: 50°F High: 62°F High: 57°F High: 53°F High: 49°F High: 53°F High: 57°F High: 60°F
Low: 48°F Low: 50°F Low: 46°F Low: 44°F Low: 44°F Low: 44°F  
Rain Mostly Cloudy Partly Sunny Rain Thunderstorms Rain Partly Sunny Partly Sunny
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Current Conditions at
MT SHASTA - (KMHS)
43°
Clear
as of 11:56 PM PST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ARCATA - (KACV)
55°
Cloudy
as of 11:53 PM PST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 8 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
6 MPH
350° North
Cloud Level(s): Few at 4600ft, Broken at 6000ft, Solid Overcast at 7500ft
Current Conditions at
MONTAGUE/SSK - (KSIY)
57°
Cloudy
as of 11:53 PM PST
Rel. Humidity: 82%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3900ft
Current Conditions at
REDDING - (KRDD)
55°
Mostly Clear
as of 11:53 PM PST
Rel. Humidity: 82%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 7500ft
20% chance of rain Overnight Overnight... A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 50. Calm wind.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 48. Calm wind becoming east around 6 mph in the evening.

40% chance of  Monday Monday... A 40 percent chance of showers after 11am. Partly sunny, with a high near 57. Light and variable wind.

70% chance of rain Monday Night Monday Night... Showers likely. Mostly cloudy, with a low around 50. Calm wind becoming south 5 to 8 mph in the evening. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

80% chance of rain Tuesday Tuesday... Showers, mainly after 11am. High near 53. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

90% chance of rain Tuesday Night Tuesday Night... Rain. Low around 46. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Thunderstorms on Wednesday Wednesday... Showers and possibly a thunderstorm. Cloudy, with a high near 49.

Rain on Wednesday Night Wednesday Night... Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44.

Rain on Thursday Thursday... Showers likely, mainly after 11am. Mostly cloudy, with a high near 53.

Rain on Thursday Night Thursday Night... Showers. Cloudy, with a low around 44.

20% chance of  Friday Friday... A chance of showers. Partly sunny, with a high near 57.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 44.

20% chance of  Saturday Saturday... A chance of showers. Partly sunny, with a high near 60.

Current Radar Image


Sun Almanac for Summerville, California
Sunrise: 06:45 AM
Sunset: 5:06 PM
Civil Sunrise:06:17 AM
Civil Sunset: 5:35 PM
Nautical Sunrise: 05:44 AM
Nautical Sunset: 6:08 PM
Astro Sunrise: 05:12 AM
Astro Sunset: 6:40 PM
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