Castaic Lake State Recreation Area Weather Forecast

    • 68
    • 91

    Sunny

    • 65
    • 92

    Mostly Sunny

    • 64
    • 90

    Mostly Sunny

    • 67
    • 86

    Partly Sunny

    • 67
    • 85

    Partly Sunny

    • 69
    • 86

    Partly Sunny

Today 8 Jul Western San Gabriel Mountains and Highway 14 Corridor

Sunny. Highs from 94 to 101 at low Elevations to the mid 80s to lower 90s at high Elevations. Southwest Winds around 15 Mph in the afternoon.

Tonight 8 Jul Western San Gabriel Mountains and Highway 14 Corridor

Mostly clear. Lows in the 60s to lower 70s. West Winds around 15 Mph.

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Castaic Lake State Recreation Area Temperature Statistics

July Temperature

Sandberg (14.9 miles)

  • Lowest 1 July, 2026

    47.6 °F

  • Average July

    67.8 °F

  • Highest 6 July, 2026

    82.9 °F

Climate (2021–2026)

Sandberg (14.9 miles)

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  • Average Low 2021–2026

    51.3 °F

  • Average 2021–2026

    59.3 °F

  • Average High 2021–2026

    67.9 °F
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