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Castaic Lake, CA 7-Day Weather Forecast
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Castaic Lake Weather Forecast
Castaic Lake, CA Weather Forecast Date: 202 PM PDT Sat Aug 08 2026
Weather forecast for Castaic Lake, CA
Tonight Lo: 66°F Lo: 19°C |
Tonight... Clear. Lows in the mid 60s to around 70. |
Sun Hi: 98°FHi: 37°C Lo: 65°F Lo: 18°C |
Sunday... Sunny in the morning then partly cloudy. Highs 94 to 100. Southwest winds 10 to 20 mph in the afternoon. |
| Mon Hi: 93°FHi: 34°C Lo: 63°F Lo: 17°C |
Monday... Partly cloudy. Highs in the lower to mid 90s. Southwest winds 10 to 20 mph in the afternoon. |
| Tue Hi: 90°FHi: 32°C Lo: 61°F Lo: 16°C |
Tuesday... Partly cloudy. Highs around 90. |
Wed Hi: 86°FHi: 30°C Lo: 60°F Lo: 16°C |
Wednesday... Sunny. Highs in the mid 80s to around 90. |
| Thu Hi: 83°FHi: 28°C Lo: 60°F Lo: 16°C |
Thursday... Partly cloudy. Highs in the lower to mid 80s. |
| Fri Hi: 83°FHi: 28°C Lo: 60°F Lo: 16°C |
Friday... Partly cloudy in the morning then sunny. Highs in the lower to mid 80s. |
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