Castaic Lake Weather Forecast

    • 62
    • 93

    Mostly Sunny

    • 58
    • 86

    Partly Sunny

    • 57
    • 78

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 61
    • 83

    Mostly Sunny

    • 64
    • 89

    Sunny

Today 18 May Santa Clarita Valley

Sunny. Highs around 90. North Winds 10 to 20 Mph shifting to the southwest in the afternoon.

Tonight 18 May Santa Clarita Valley

Mostly clear. Lows in the lower to mid 50s. Northwest Winds 10 to 20 Mph after midnight.

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Castaic Lake Temperature Statistics

May Temperature

Los Angeles, Whiteman Airport (22.4 miles)

  • Lowest 11 May, 2022

    53.6 °F
  • Average May

    71.4 °F
  • Highest 14 May, 2022

    91.4 °F

Climate (2010–Present)

Los Angeles, Whiteman Airport (22.4 miles)

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  • Average Low 2010–Present

    60.1 °F
  • Average 2010–Present

    69.8 °F
  • Average High 2010–Present

    75.8 °F
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