Tennant Weather Forecast

    • 22
    • 46

    Becoming Sunny

    • 24
    • 42

    Mostly Sunny

    • 20
    • 46

    Sunny

    • 22
    • 42

    Mostly Sunny

    • 25
    • 47

    Mostly Sunny

    • 26
    • 48

    Mostly Sunny

    • 28
    • 50

    Mostly Sunny

Today 17 Jan North Central and Southeast Siskiyou County

Sunny until early afternoon then becoming mostly cloudy. Patchy fog early this morning. Highs in the lower to mid 40s. West Winds 5 to 10 Mph.

Tonight 17 Jan North Central and Southeast Siskiyou County

Partly cloudy early this evening then clearing. Lows in the lower to mid 20s. Northeast Winds 5 to 10 Mph.

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Tennant Temperature Statistics

January Temperature

Mount Shasta (28 miles)

  • Lowest 13 January, 2025

    25 °F

  • Average January

    38.5 °F

  • Highest 15 January, 2025

    55.9 °F

Climate (2020–Present)

Mount Shasta (28 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.5 °F
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