Tennant Weather Forecast

    • 31
    • 59

    Chance Rain/Snow

    • 26
    • 49

    Mostly Sunny

    • 25
    • 49

    Partly Sunny

    • 24
    • 52

    Mostly Sunny

    • 21
    • 48

    Partly Sunny

    • 20
    • 45

    Chance Snow

    • 21
    • 45

    Chance Snow

Today 25 Oct North Central and Southeast Siskiyou County

Partly cloudy. Slight chance of snow in the Morning, then slight chance of rain and snow in the afternoon. Highs in the lower 40s to lower 50s.

Tonight 25 Oct North Central and Southeast Siskiyou County

Partly cloudy this Evening, then chance of rain after midnight. Mostly cloudy with a slight chance of rain and snow well after midnight. Snow level 6000 feet. Lows in the lower to mid 30s. Southwest Winds 10 to 20 Mph. Chance of precipitation 30 percent.

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Tennant Temperature Statistics

October Temperature

Mount Shasta (28 miles)

  • Lowest 13 October, 2026

    28.7 °F

  • Average October

    58.4 °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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