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McArthur, CA Weather Forecast

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McArthur, CA Weather Forecast

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McArthur CA weather - Clear - 58°F
Clear
58°F
Updated 5:39 am
Feels Like 42°F
Humidity 69%
Wind N 0 mph
Barometer  29.82 in
Dew Point 48°F
McArthur CA weather - Clear - 14°C
Clear
14°C
Updated 5:39 am
Feels Like 6°C
Humidity 69%
Wind N 0 km/h
Barometer  100.9 kPa
Dew Point 9°C
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McArthur Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY
McArthur, CA Weather - Today Chance Of T-Storm McArthur, CA Weather - Tonight Chance Of Rain McArthur, CA Weather - Thursday Chance Of Rain McArthur, CA Weather - Thursday Night Chance Of Rain McArthur, CA Weather - Friday Sunny McArthur, CA Weather - Friday Night Clear McArthur, CA Weather - Saturday Sunny McArthur, CA Weather - Saturday Night Mostly Clear McArthur, CA Weather - Sunday Mostly Clear McArthur, CA Weather - Monday Mostly Clear McArthur, CA Weather - Tuesday Sunny
Chance of T-Storm Chance of Rain Chance of Rain Chance of Rain Sunny Clear Sunny Mostly Clear Mostly Clear Mostly Clear Sunny
Hi: 71°FHi: 22°C
 Lo: 41°FLo: 5°C Hi: 66°FHi: 19°C
 Lo: 43°FLo: 6°C Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 81°FHi: 27°C
 Hi: 82°FHi: 28°C
Lo: 49°FLo: 9°C		 Hi: 82°FHi: 28°C
Lo: 49°FLo: 9°C		 Hi: 82°FHi: 28°C
Lo: 49°FLo: 9°C		 Hi: 81°FHi: 27°C
POP = Probability of Precipitation.
Weather Outlook Updated: 347 AM PDT Wed Sep 16 2026 McArthur, CA Weather - WeatherWorld.com

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Issued: 1205 PM PDT Tue Sep 15 2026

Key Messages

  • Cooler weather, increased humidity, and precipitation chances are in store Wednesday-Thursday, best chances across Coast Range, Shasta County, and Southern Cascades area.
  • Late week into the weekend will see conditions warm to near normal temperatures with drying conditions, particularly over the northern Sacramento Valley

Discussion

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Today: Fairly benign weather today with similar afternoon highs with a slight increase in moisture compared to yesterday, as our north winds died off ye...