Weather WorldCastac Lake, CA 7-Day Weather Forecast
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Castac Lake Weather Forecast
Castac Lake, CA Weather Forecast Date: 504 PM PDT Thu Sep 10 2026
Weather forecast for Castac Lake, CA
Tonight Lo: 71°F Lo: 22°C |
Tonight... Clear. Lows 67 to 73. Northwest winds 5 to 15 mph. |
Fri Hi: 87°FHi: 31°C Lo: 66°F Lo: 19°C |
Friday... Sunny. Highs 81 to 91. Northwest winds 5 to 15 mph. |
| Sat Hi: 84°FHi: 29°C Lo: 58°F Lo: 14°C |
Saturday... Sunny. Highs 78 to 88. Southwest winds up to 5 mph shifting to the northwest in the afternoon. |
| Sun Hi: 76°FHi: 24°C Lo: 53°F Lo: 12°C |
Sunday... Clear. Highs 69 to 81. Lows 49 to 55. |
| Mon Hi: 76°FHi: 24°C Lo: 53°F Lo: 12°C |
Monday... Clear. Highs 69 to 81. Lows 49 to 55. |
| Mon Hi: 76°FHi: 24°C Lo: 55°F Lo: 13°C |
Monday... Clear. Highs 69 to 81. Lows 49 to 55. |
| Tue Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly clear. Lows 50 to 59. Highs 74 to 86. |
| Wed Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly clear. Lows 50 to 59. Highs 74 to 86. |
| Thu Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Thursday... Mostly clear. Lows 50 to 59. Highs 74 to 86. |
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