Tennant Weather Forecast

    • 26
    • 52

    Rain

    • 23
    • 50

    Sunny

    • 28
    • 62

    Mostly Sunny

    • 29
    • 61

    Mostly Sunny

    • 25
    • 58

    Partly Sunny

    • 28
    • 59

    Mostly Sunny

    • 29
    • 60

    Partly Sunny

Today 22 Oct North Central and Southeast Siskiyou County

Partly cloudy. Slight chance of rain in the afternoon. Highs in the lower 50s to lower 60s.

Tonight 22 Oct North Central and Southeast Siskiyou County

Mostly cloudy until well after midnight then becoming partly cloudy. A 50 percent chance of rain Showers early this evening. Snow level 6000 feet this evening. Lows in the mid 20s to lower 30s. Northwest Winds 10 to 15 Mph.

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Tennant Temperature Statistics

October Temperature

Mount Shasta (28 miles)

  • Lowest 13 October, 2026

    28.7 °F

  • Average October

    59.6 °F

  • Highest 8 October, 2026

    91.7 °F

Climate (2021–2026)

Mount Shasta (28 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.9 °F
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