Tennant Weather Forecast

    • 52
    • 86

    Chance Rain Showers

    • 49
    • 86

    Mostly Sunny

    • 47
    • 84

    Sunny

    • 48
    • 85

    Sunny

    • 51
    • 87

    Mostly Sunny

    • 54
    • 88

    Partly Sunny

Today 14 Jul North Central and Southeast Siskiyou County

Partly cloudy then becoming sunny late this morning then becoming partly cloudy. Slight chance of Showers early this morning. Slight chance of rain early this Afternoon, then slight chance of Thunderstorms late this afternoon. Highs in the lower 80s to lower 90s. Southeast Winds around 5 Mph shifting to the southwest this afternoon.

Tonight 14 Jul North Central and Southeast Siskiyou County

Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 50s to lower 60s. Northwest Winds around 5 Mph shifting to the northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tennant Temperature Statistics

July Temperature

Mount Shasta (28 miles)

  • Lowest 1 July, 2026

    43.6 °F

  • Average July

    68.7 °F

  • Highest 9 July, 2026

    91.7 °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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