Weather WorldCastaic, CA 7-Day Weather Forecast
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Castaic Weather Forecast
Castaic, CA Weather Forecast Date: 1129 AM PDT Fri Sep 25 2026
Weather forecast for Castaic, CA
Today Hi: 90°FHi: 32°C Lo: 60°F Lo: 16°C |
Today... Sunny. Highs in the upper 80s to mid 90s. Southwest winds 10 to 20 mph in the afternoon. |
Sat Hi: 90°FHi: 32°C Lo: 56°F Lo: 13°C |
Saturday... Mostly cloudy. Highs in the upper 80s to mid 90s. Southwest winds 10 to 20 mph in the afternoon. |
| Sun Hi: 83°FHi: 28°C Lo: 50°F Lo: 10°C |
Sunday... Sunny. Highs in the lower to mid 80s. Southwest winds 10 to 20 mph in the afternoon. |
| Mon Hi: 80°FHi: 27°C Lo: 56°F Lo: 13°C |
Monday... Sunny. Highs in the upper 70s to mid 80s. |
| Tue Hi: 87°FHi: 31°C Lo: 60°F Lo: 16°C |
Tuesday... Sunny. Highs in the mid to upper 80s. |
| Wed Hi: 90°FHi: 32°C Lo: 61°F Lo: 16°C |
Wednesday... Sunny. Highs around 90. |
| Thu Hi: 90°FHi: 32°C |
Thursday... Sunny. Highs around 90. |
Castaic Radar Loop
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