Climate almanac
Castaic
California, United States · 34.49°, -118.62°
What is the weather like in Castaic in April?
In April, Castaic is typically 73°F (23°C) during the day and 50°F (10°C) at night. The month brings about 0.8 in (21 mm) of precipitation in total.
- Average high73°F (23°C)
- Average low50°F (10°C)
- Precipitation0.8 in (21 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)