Weather WorldDonnell Lake, CA Weather Forecast
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Donnell Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Mostly Sunny | Mostly Clear | Clearing | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Clear | Mostly Sunny | Clear |
| Hi: 87°FHi: 31°C | Lo: 67°FLo: 19°C | Hi: 89°FHi: 32°C | Lo: 68°FLo: 20°C | Hi: 89°FHi: 32°C | Lo: 68°FLo: 20°C | Hi: 86°FHi: 30°C | Hi: 85°FHi: 29°C Lo: 66°FLo: 19°C | Hi: 85°FHi: 29°C Lo: 66°FLo: 19°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 64°FLo: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 252 AM PDT Tue Aug 18 2026 
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Donnell Lake Forecast Discussion
Issued: 1121 AM PDT Mon Aug 17 2026
Key Messages
- Seasonal temperatures and dry conditions continue through the week ahead.
Discussion
...
Morning mid-level stratus intrusions across portions of the Sacramento Valley has helped keep temperatures cool to start the work week. Stratus will continue to burn away as we move through the remainder of the early afternoon hours, allowing high temperatures to climb into the low to upper 90s for the Valley; warmest temperatures in the northern Sacramento Valley. Syno...