Mount Shasta Weather Forecast

    • 44
    • 79

    Mostly Sunny

    • 49
    • 85

    Mostly Sunny

    • 49
    • 84

    Mostly Sunny

    • 52
    • 86

    Partly Sunny

    • 49
    • 85

    Mostly Sunny

    • 46
    • 80

    Mostly Sunny

    • 43
    • 76

    Mostly Sunny

Today 8 May South Central Siskiyou County

Partly cloudy early this morning then clearing. Highs in the lower 70s to lower 80s. West Winds around 5 Mph.

Tonight 8 May South Central Siskiyou County

Mostly clear. Lows in the lower to mid 40s. Northwest Winds around 5 Mph shifting to the north after midnight.

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Mount Shasta Temperature Statistics

May Temperature

Mount Shasta (0 miles)

  • Lowest 1 May, 2026

    40.6 °F

  • Average May

    59.6 °F

  • Highest 6 May, 2026

    78.1 °F

Climate (2021–Present)

Mount Shasta (0 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    65.9 °F
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