Tennant Weather Forecast

    • 38
    • 78

    Mostly Sunny

    • 35
    • 75

    Becoming Sunny

    • 32
    • 70

    Mostly Sunny

    • 28
    • 57

    Partly Sunny

    • 28
    • 56

    Partly Sunny

    • 30
    • 58

    Slight Chance Rain

    • 28
    • 56

    Slight Chance Rain

Today 16 Oct North Central and Southeast Siskiyou County

Partly cloudy in the morning then clearing. Highs in the lower to mid 50s.

Tonight 16 Oct North Central and Southeast Siskiyou County

Partly cloudy this evening then clearing. Lows in the mid 30s to mid 40s. Southwest Winds 5 to 10 Mph.

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Tennant Temperature Statistics

October Temperature

Mount Shasta (28 miles)

  • Lowest 13 October, 2026

    28.9 °F

  • Average October

    61 °F

  • Highest 8 October, 2026

    91.7 °F

Climate (2021–2026)

Mount Shasta (28 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.9 °F
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