Castaic weather — 10-day forecast
Temperature, rain, wind and feels-like in Castaic, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 21:00 · NOAA HRRR model
26 °C
Clear sky
Next 12 h
↓ 21°06:00↑ 28°09:00
- Humidity
- 35 %
- Dew point
- 9 °C
- Gusts
- 8.8 km/h
- Clouds
- 2 %
- Pressure
- 1,013 hPa
Grid point 0.3 km away · 3.0 km grid · elevation 399 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 59.2µg/m³
- PM2.5
- 11.4µg/m³
- PM10
- 14.4µg/m³
- Nitrogen dioxide
- 6.2µg/m³
- Sulphur dioxide
- 0.8µg/m³
- Carbon monoxide
- 144.0µg/m³
- Dust (AOD)
- 0.02
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Clear sky
35°
24°
Sat
Clear sky
38°
21°
Sun
Clear sky
38°
21°
Mon
Partly cloudy
36°
19°
Tue
Overcast
33°
19°
Wed
Light drizzle0 mm
31°
22°
Thu
Light drizzle0 mm
29°
18°
Fri
Clear sky
28°
17°
Sat
Clear sky
31°
20°
Sun
Clear sky
34°
21°
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:10
- Daylight
- 13 h 41
- Sunset
- 19:51
Radiation · 3.3 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Castaic the mean temperature will be 28.8 °C — +4.3 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Castaic