Weil Lake, CA Weather Forecast
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Weil Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Sunny | Smoke | Sunny | Mostly Clear | Partly Cloudy | Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 68°FHi: 20°C | Lo: 49°FLo: 9°C | Hi: 74°FHi: 23°C | Lo: 51°FLo: 11°C | Hi: 74°FHi: 23°C | Lo: 52°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 52°FLo: 11°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Hi: 75°FHi: 24°C Lo: 53°FLo: 12°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 ...
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