Castaic Lake State Recreation Area Weather Forecast
- 48
- 54
Rain Showers Likely
- 51
- 67
Mostly Sunny
- 52
- 71
Sunny
- 59
- 74
Sunny
- 61
- 76
Sunny
Today 12 Oct Western San Gabriel Mountains and Highway 14 Corridor
Showers in the Morning, then Showers likely in the afternoon. Highs from the mid 50s to lower 60s at low Elevations to the mid 40s to lower 50s at high Elevations. Southwest Winds 15 to 25 Mph.
Tonight 12 Oct Western San Gabriel Mountains and Highway 14 Corridor
Partly cloudy with a slight chance of Showers in the Evening, becoming mostly clear after midnight. Lows in the upper 30s and 40s. Southwest Winds 15 to 25 Mph.
Castaic Lake State Recreation Area Temperature Statistics
October Temperature
Sandberg (14.9 miles)
Lowest 9 October, 2026
60.1 °FAverage October
77.5 °FHighest 1 October, 2026
89.7 °F
Climate (2021–2026)
Sandberg (14.9 miles)
Average Low 2021–2026
51.1 °FAverage 2021–2026
59.3 °FAverage High 2021–2026
67.9 °F