Tennant Weather Forecast

    • 47
    • 82

    Increasing Clouds

    • 46
    • 84

    Increasing Clouds

    • 46
    • 84

    Mostly Sunny

    • 43
    • 82

    Mostly Sunny

    • 42
    • 81

    Sunny

    • 43
    • 81

    Mostly Sunny

    • 40
    • 77

    Mostly Sunny

Today 25 Aug North Central and Southeast Siskiyou County

Partly cloudy. Highs in the mid 70s to mid 80s. South Winds 15 to 20 Mph.

Tonight 25 Aug North Central and Southeast Siskiyou County

Mostly clear until well after midnight then becoming partly cloudy. Lows in the mid 40s to mid 50s. Southwest Winds 10 to 15 Mph decreasing to around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tennant Temperature Statistics

August Temperature

Mount Shasta (28 miles)

  • Lowest 16 August, 2026

    43.6 °F

  • Average August

    71.4 °F

  • Highest 7 August, 2026

    98.7 °F

Climate (2021–2026)

Mount Shasta (28 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.8 °F
Get WillyWeather+ to remove ads