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Hourly Forecast
Daylight Hours
05:45
Sunrise
20:01
Sunset
Daily Forecast
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Friday
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UV Index
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Frequently asked questions about weather in Castaic
How warm does it get in Castaic?
The warmest month in Castaic is August, with average high temperatures of 31°C. The average temperature during this period is around 25°C.
How cold does it get in Castaic?
The coldest month in Castaic is December, with average low temperatures of 5°C. The average temperature during this period is around 10°C.
What is the wettest time of year in Castaic?
The wettest month in Castaic is January, with an average of 83mm of precipitation.
What is the driest time of year in Castaic?
The driest month in Castaic is July, with an average of 3mm of precipitation.
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