Mount Shasta Weather Forecast

    • 55
    • 95

    Sunny

    • 56
    • 93

    Patchy Smoke

    • 55
    • 90

    Sunny

    • 53
    • 88

    Mostly Sunny

    • 52
    • 85

    Chance Rain Showers

    • 52
    • 82

    Slight Chance Thunderstorms

    • 51
    • 82

    Mostly Sunny

Today 9 Aug South Central Siskiyou County

Sunny. Areas of smoke this morning. Patchy smoke this afternoon. Highs in the mid 80s to mid 90s. North Winds around 5 Mph shifting to the west this afternoon.

Tonight 9 Aug South Central Siskiyou County

Clear. Patchy smoke early this evening. Patchy smoke well after midnight. Lows in the lower 50s to lower 60s. Northwest Winds 5 to 10 Mph shifting to the north after midnight.

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Mount Shasta Temperature Statistics

August Temperature

Mount Shasta (0 miles)

  • Lowest 4 August, 2026

    50.6 °F

  • Average August

    74 °F

  • Highest 7 August, 2026

    97 °F

Climate (2021–2026)

Mount Shasta (0 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.8 °F
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