Mount Shasta Weather Forecast

    • 54
    • 86

    Slight Chance Thunderstorms

    • 54
    • 84

    Slight Chance Rain Showers

    • 46
    • 75

    Slight Chance Rain Showers

    • 41
    • 67

    Partly Sunny

    • 43
    • 70

    Mostly Sunny

    • 47
    • 77

    Sunny

Today 24 Jun South Central Siskiyou County

Sunny. Slight chance of dry Thunderstorms late this afternoon. Highs in the mid 70s to mid 80s. Light Winds becoming southwest 5 to 10 Mph in the late morning and afternoon.

Tonight 24 Jun South Central Siskiyou County

Partly cloudy in the evening then becoming mostly clear. Slight chance of dry Thunderstorms in the evening. Lows in the mid 40s to mid 50s. Northwest Winds 5 to 10 Mph shifting to the north after midnight.

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Mount Shasta Temperature Statistics

June Temperature

Mount Shasta (0 miles)

  • Lowest 7 June, 2026

    39.7 °F

  • Average June

    65.8 °F

  • Highest 15 June, 2026

    93.7 °F

Climate (2021–2026)

Mount Shasta (0 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    65.9 °F
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