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


Cup Lake, CA Weather Forecast Date: 201 AM PDT Sat Sep 19 2026
Weather forecast for Cup Lake, CA
| Today Hi: 73°FHi: 23°C Lo: 50°F Lo: 10°C |
Today... Sunny, warmer. Highs 67 to 77. East winds 10 to 15 mph with gusts to around 30 mph shifting to the west in the afternoon. |
| Sun Hi: 72°FHi: 22°C Lo: 52°F Lo: 11°C |
Sunday... Mostly cloudy. Patchy smoke in the afternoon. Highs 66 to 76. East winds up to 10 mph in the morning becoming light. Gusts up to 20 mph. |
| Mon Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Monday... Partly cloudy in the morning then clearing. Highs 65 to 75. East winds up to 10 mph in the morning becoming light. Gusts up to 20 mph. |
| Tue Hi: 73°FHi: 23°C Lo: 51°F Lo: 11°C |
Tuesday... Sunny. Highs 67 to 77. |
| Wed Hi: 74°FHi: 23°C Lo: 53°F Lo: 12°C |
Wednesday... Clear. Lows 45 to 55. Highs 68 to 78. |
| Thu Hi: 72°FHi: 22°C Lo: 53°F Lo: 12°C |
Thursday... Mostly clear. Lows 47 to 57. Highs 66 to 76. |
| Fri Hi: 72°FHi: 22°C Lo: 53°F Lo: 12°C |
Friday... Mostly clear. Lows 47 to 57. Highs 66 to 76. |
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