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Peoria Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Sunny | Clear | Sunny | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Sunny | Clear | Clear | Clear | Clear | Mostly Sunny |
| Hi: 83°FHi: 28°C | Lo: 60°FLo: 16°C | Hi: 87°FHi: 31°C | Lo: 63°FLo: 17°C | Hi: 86°FHi: 30°C | Lo: 62°FLo: 17°C | Hi: 85°FHi: 29°C | Hi: 86°FHi: 30°C Lo: 62°FLo: 17°C | Hi: 86°FHi: 30°C Lo: 62°FLo: 17°C | Hi: 92°FHi: 33°C Lo: 64°FLo: 18°C | Hi: 92°FHi: 33°C Lo: 64°FLo: 18°C | Hi: 93°FHi: 34°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 AM PDT Fri Sep 18 2026 
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Issued: 1213 PM PDT Thu Sep 17 2026
Key Messages
- Cooler weather, breezy onshore winds, and increased humidity today
- Isolated shower and thunderstorm chances today, mainly across Coast Range, Shasta County, and southern Cascades through 8 PM
- Warming and drying conditions Friday and over the weekend with near normal temperatures and general offshore flow
Discussion
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Today: Current GOES-West visible satellite imagery shows the marine stratus intrusion lingering across much of the Sacramento Valley in the form of low clouds, with some ...