Tennant Weather Forecast

    • 43
    • 77

    Becoming Sunny

    • 46
    • 81

    Sunny

    • 47
    • 84

    Sunny

    • 41
    • 82

    Sunny

    • 34
    • 70

    Mostly Sunny

    • 35
    • 61

    Mostly Sunny

Today 16 Jun North Central and Southeast Siskiyou County

Partly cloudy. A 10 percent chance of Showers in the afternoon. Highs in the lower 70s to lower 80s. West Winds 5 to 10 Mph.

Tonight 16 Jun North Central and Southeast Siskiyou County

Mostly clear. Lows in the lower to mid 40s. Northwest Winds 10 to 15 Mph decreasing to around 5 Mph well after midnight.

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Tennant Temperature Statistics

June Temperature

Mount Shasta (28 miles)

  • Lowest 13 June, 2025

    45 °F

  • Average June

    68.3 °F

  • Highest 8 June, 2025

    93.7 °F

Climate (2020–Present)

Mount Shasta (28 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    65.7 °F
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