Weather WorldArthur Lake, CA Weather Forecast
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Arthur Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY |
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| Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Clear | Clear | Sunny |
| Hi: 55°FHi: 13°C | Lo: 33°FLo: 1°C | Hi: 63°FHi: 17°C | Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 76°FHi: 24°C | Hi: 75°FHi: 24°C Lo: 47°FLo: 8°C | Hi: 75°FHi: 24°C Lo: 47°FLo: 8°C | Hi: 75°FHi: 24°C Lo: 47°FLo: 8°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 AM PDT Mon Oct 12 2026 
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Issued: 139 PM PDT Sun Oct 11 2026
Key Messages
- Red Flag Warning in effect until 5 AM Monday due to gusty north winds and low relative humidity for Northern Sacramento Valley and adjacent foothills.
- Cooler temperatures, mountain showers and isolated thunderstorms today and Monday.
- Potential for first measurable snow of the season in the Sierra late tonight- Monday, south of US 50 and above 6500 feet.
- Dry weather and below-normal temperatures on Tuesday, followed by drying and warming trend mid- to late next week.
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