Tennant Weather Forecast

    • 48
    • 88

    Sunny

    • 50
    • 88

    Mostly Sunny

    • 52
    • 90

    Sunny

    • 45
    • 86

    Mostly Sunny

    • 46
    • 85

    Sunny

    • 54
    • 88

    Sunny

    • 56
    • 91

    Sunny

Today 29 Jul North Central and Southeast Siskiyou County

Sunny. Highs in the lower 80s to lower 90s. Southeast Winds around 5 Mph shifting to the southwest 10 to 15 Mph in the late morning and afternoon.

Tonight 29 Jul North Central and Southeast Siskiyou County

Clear. Lows in the lower to mid 50s. West Winds 5 to 10 Mph shifting to the north after Midnight, then shifting to the east well after midnight.

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Tennant Temperature Statistics

July Temperature

Mount Shasta (28 miles)

  • Lowest 1 July, 2026

    43.6 °F

  • Average July

    70 °F

  • Highest 15 July, 2026

    93.7 °F

Climate (2021–2026)

Mount Shasta (28 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.8 °F
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