Tennant Weather Forecast

    • 51
    • 84

    Decreasing Clouds

    • 50
    • 85

    Mostly Sunny

    • 50
    • 86

    Sunny

    • 49
    • 85

    Sunny

    • 49
    • 84

    Sunny

    • 38
    • 79

    Mostly Sunny

Today 4 Oct North Central and Southeast Siskiyou County

Sunny then becoming partly cloudy in the late morning and early afternoon then becoming mostly cloudy. Highs in the mid 70s to mid 80s. Northeast Winds 5 to 10 Mph shifting to the southwest this afternoon.

Tonight 4 Oct North Central and Southeast Siskiyou County

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 50s to lower 60s. Northwest Winds 5 to 10 Mph.

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Tennant Temperature Statistics

October Temperature

Mount Shasta (28 miles)

  • Lowest 2 October, 2026

    46 °F

  • Average October

    63.9 °F

  • Highest 1 October, 2026

    86 °F

Climate (2021–2026)

Mount Shasta (28 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    65.8 °F
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