Tennant Weather Forecast

    • 48
    • 86

    Sunny

    • 47
    • 85

    Sunny

    • 35
    • 77

    Mostly Sunny

    • 22
    • 58

    Partly Sunny

    • 23
    • 53

    Mostly Sunny

    • 29
    • 58

    Mostly Sunny

    • 30
    • 61

    Mostly Sunny

Today 7 Oct North Central and Southeast Siskiyou County

Sunny. Highs in the lower 80s to lower 90s. East Winds around 5 Mph shifting to the southwest this afternoon.

Tonight 7 Oct North Central and Southeast Siskiyou County

Clear. Lows in the mid 40s to mid 50s. Northwest Winds around 5 Mph shifting to the northeast after midnight.

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Tennant Temperature Statistics

October Temperature

Mount Shasta (28 miles)

  • Lowest 4 October, 2026

    46 °F

  • Average October

    66.9 °F

  • Highest 3 October, 2026

    89.7 °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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