Tennant Weather Forecast

    • 50
    • 87

    Sunny

    • 50
    • 86

    Mostly Sunny

    • 48
    • 84

    Slight Chance Thunderstorms

    • 47
    • 82

    Partly Sunny

    • 41
    • 72

    Chance Rain

    • 36
    • 65

    Mostly Sunny

    • 37
    • 67

    Mostly Sunny

Today 22 Jun North Central and Southeast Siskiyou County

Sunny. Highs in the lower 80s to lower 90s. Northeast Winds around 5 Mph shifting to the southwest this afternoon.

Tonight 22 Jun North Central and Southeast Siskiyou County

Clear. Lows in the lower to mid 50s. West Winds 5 to 10 Mph.

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Tennant Temperature Statistics

June Temperature

Mount Shasta (28 miles)

  • Lowest 7 June, 2026

    39.7 °F

  • Average June

    65.4 °F

  • Highest 15 June, 2026

    93.7 °F

Climate (2021–2026)

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

    65.9 °F
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