Tennant Weather Forecast

    • 43
    • 72

    Decreasing Clouds

    • 39
    • 74

    Sunny

    • 41
    • 76

    Mostly Sunny

    • 43
    • 77

    Mostly Sunny

    • 46
    • 80

    Sunny

    • 49
    • 85

    Mostly Sunny

Today 29 Jun North Central and Southeast Siskiyou County

Partly cloudy early this morning then becoming mostly cloudy. Areas of frost early this morning. Highs in the mid 60s to mid 70s. North Winds 5 to 10 Mph.

Tonight 29 Jun North Central and Southeast Siskiyou County

Mostly clear. Lows in the lower to mid 40s. Northwest Winds 5 to 10 Mph.

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Tennant Temperature Statistics

June Temperature

Mount Shasta (28 miles)

  • Lowest 7 June, 2026

    39.7 °F

  • Average June

    66.2 °F

  • Highest 15 June, 2026

    93.7 °F

Climate (2021–2026)

Mount Shasta (28 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    65.9 °F
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