Upper Lake, CA 7-Day Weather Forecast
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Upper Lake Weather Forecast


Upper Lake, CA Weather Forecast Date: 136 AM PDT Sun Sep 27 2026
Weather forecast for Upper Lake, CA
| Today Hi: 76°FHi: 24°C Lo: 50°F Lo: 10°C |
Today... Mostly cloudy in the morning then clearing. Highs 70 to 80. West wind around 5 mph. |
| Mon Hi: 82°FHi: 28°C Lo: 56°F Lo: 13°C |
Monday... Sunny. Highs 76 to 86. West wind around 5 mph. |
| Tue Hi: 88°FHi: 31°C Lo: 61°F Lo: 16°C |
Tuesday... Sunny. Highs 82 to 92. Northwest wind around 5 mph. |
| Wed Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Wednesday... Clear. Lows 55 to 65. Highs 82 to 95. |
| Wed Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Wednesday... Clear. Lows 55 to 65. Highs 82 to 95. |
| Thu Hi: 88°FHi: 31°C Lo: 60°F Lo: 16°C |
Thursday... Sunny. Highs 82 to 92. |
| Fri Hi: 87°FHi: 31°C Lo: 60°F Lo: 16°C |
Friday... Partly cloudy. Lows 54 to 64. Highs 81 to 92. |
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