Tennant Weather Forecast

    • 31
    • 58

    Becoming Sunny

    • 35
    • 64

    Mostly Sunny

    • 39
    • 71

    Sunny

    • 43
    • 75

    Mostly Sunny

    • 43
    • 76

    Partly Sunny

    • 41
    • 71

    Partly Sunny

Today 27 Apr North Central and Southeast Siskiyou County

Sunny in the Morning, then partly cloudy with a 20 percent chance of rain and snow Showers in the afternoon. Snow level 6000 feet in the afternoon. Highs in the lower 50s to lower 60s. West Winds 5 to 10 Mph.

Tonight 27 Apr North Central and Southeast Siskiyou County

Partly cloudy in the evening then clearing. Lows in the lower to mid 30s. West Winds 5 to 10 Mph.

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Tennant Temperature Statistics

April Temperature

Mount Shasta (28 miles)

  • Lowest 17 April, 2026

    23.6 °F

  • Average April

    47.9 °F

  • Highest 4 April, 2026

    76.6 °F

Climate (2021–Present)

Mount Shasta (28 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    66 °F
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