Tennant Weather Forecast

    • 43
    • 79

    Mostly Sunny

    • 43
    • 78

    Partly Sunny

    • 34
    • 68

    Partly Sunny

    • 38
    • 69

    Partly Sunny

    • 41
    • 67

    Mostly Cloudy

    • 36
    • 67

    Chance Rain Showers

Today 19 Mar North Central and Southeast Siskiyou County

Sunny. Highs in the lower 70s to lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 19 Mar North Central and Southeast Siskiyou County

Mostly clear. Lows in the lower 40s to lower 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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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tennant Temperature Statistics

March Temperature

Mount Shasta (28 miles)

  • Lowest 11 March, 2026

    28.9 °F

  • Average March

    47.9 °F

  • Highest 16 March, 2026

    75.9 °F

Climate (2021–Present)

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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