Chester, CA Weather Forecast
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Chester Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
| Hazy | Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Clear | Clear | Mostly Sunny |
| Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 76°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Hi: 78°FHi: 26°C Lo: 52°FLo: 11°C | Hi: 78°FHi: 26°C Lo: 52°FLo: 11°C | Hi: 78°FHi: 26°C Lo: 52°FLo: 11°C | Hi: 77°FHi: 25°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 800 AM PDT Sun Sep 13 2026 

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Issued: 1239 PM PDT Sat Sep 12 2026
Key Messages
- Critical fire weather conditions through Monday afternoon due to gusty winds and low daytime humidity
- Red Flag Warning in place for portions of the Sacramento Valley and adjacent foothills until 5 PM PDT Monday
- Notable cool down over the weekend, with near to below normal temperatures expected
Discussion
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Today-Monday: Clear and sunny skies are being observed today as an upper low passes through the PacNW resulting in increased onshore flow and gusty southerly winds today, alongside ...
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