Tennant Weather Forecast

    • 27
    • 51

    Slight Chance Rain

    • 32
    • 62

    Mostly Sunny

    • 35
    • 66

    Mostly Sunny

    • 34
    • 58

    Chance Rain/Snow

    • 32
    • 49

    Rain Likely

    • 31
    • 54

    Chance Rain

    • 35
    • 60

    Chance Rain

Today 22 Apr North Central and Southeast Siskiyou County

Mostly cloudy with a 30 percent chance of rain and snow. Snow level 4000 feet rising to 4500 feet this afternoon. Highs in the lower 40s to lower 50s. Southwest Winds 10 to 15 Mph.

Tonight 22 Apr North Central and Southeast Siskiyou County

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s to lower 30s. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tennant Temperature Statistics

April Temperature

Mount Shasta (28 miles)

  • Lowest 17 April, 2026

    23.6 °F

  • Average April

    47.9 °F

  • Highest 4 April, 2026

    76.6 °F

Climate (2021–Present)

Mount Shasta (28 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    66 °F
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