Castle Lake Weather Forecast

    • 46
    • 63

    Sunny

    • 36
    • 58

    Rain Likely

    • 32
    • 40

    Rain/Snow Likely

    • 34
    • 45

    Breezy

    • 41
    • 57

    Mostly Sunny

    • 44
    • 61

    Mostly Sunny

Today 1 May South Central Siskiyou County

Sunny. Highs in the lower 70s to lower 80s. Northeast Winds around 5 Mph shifting to the southeast in the afternoon.

Tonight 1 May South Central Siskiyou County

Clear. Lows in the lower 40s to lower 50s. South Winds around 5 Mph shifting to the west after midnight.

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Castle Lake Temperature Statistics

May Temperature

Mount Shasta (6.8 miles)

  • Lowest

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  • Average May

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Climate (2020–Present)

Mount Shasta (6.8 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.5 °F
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