Weather in Castaic, CA
Updated 2026-08-11 09:00 local time · ZIP codes 91384
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
67°1% rain78°1% rain85°1% rain86°0% rain87°1% rain86°1% rain85°1% rain84°1% rain80°1% rain81°1% rain78°1% rain
70°1% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 1%).
It feels like 67°F with winds near 5 mph.
70°F, 1% rain chance and 7 mph wind.
Visibility is around 10 mi; gusts may reach 16 mph.
Current temperature is 67°F, wind 5 mph, rain chance up to 1%.
UV index is 3.
Castaic weather today
Sunny and 67°F in Castaic, CA. Today's high is 87°F with a 1% rain chance. Winds are around 5 mph with gusts near 8 mph. Relative humidity is 49%, pressure is 30.18 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Castaic
Sunrise is at 06:12 AM and sunset is at 07:47 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 67°F. The maximum rain chance is 36%.