Tennant Weather Forecast

    • 48
    • 85

    Areas Smoke

    • 50
    • 87

    Sunny

    • 55
    • 89

    Partly Sunny

    • 53
    • 84

    Mostly Cloudy

    • 53
    • 85

    Partly Sunny

    • 53
    • 86

    Mostly Sunny

Today 17 Jul North Central and Southeast Siskiyou County

Sunny. Areas of smoke early this morning. Patchy smoke late this morning. Highs in the mid 70s to mid 80s. Southeast Winds 5 to 10 Mph shifting to the southwest 10 to 15 Mph with Gusts to around 30 Mph this afternoon.

Tonight 17 Jul North Central and Southeast Siskiyou County

Clear. Areas of smoke. Lows in the mid 40s to mid 50s. Southwest Winds around 15 Mph decreasing to 5 to 10 Mph late in the evening and overnight.

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Tennant Temperature Statistics

July Temperature

Mount Shasta (28 miles)

  • Lowest 1 July, 2026

    43.6 °F

  • Average July

    69.5 °F

  • Highest 15 July, 2026

    91.9 °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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