Weather WorldPenner Lake, CA Weather Forecast
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Penner Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Clearing | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Clear | Clear |
| Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 73°FHi: 23°C | Lo: 52°FLo: 11°C | Hi: 72°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C | Hi: 62°FHi: 17°C Lo: 42°FLo: 6°C | Hi: 62°FHi: 17°C Lo: 42°FLo: 6°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 PM PDT Mon Sep 21 2026 
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Issued: 117 PM PDT Mon Sep 21 2026
Key Messages
- Periodically breezy winds and warming temperatures, peaking on Thursday with areas of Moderate HeatRisk in the Valley.
- Isolated mountain shower and thunderstorm chances (less than 10%) today along the Sierra Crest.
- Potential for unsettled weather and increased onshore winds over the weekend as a system passes to our north.
Discussion
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...Today through Thursday...
Scattered clouds continue to move across parts of northern California today, with cooler temperatures and breezy onshore wi...