Tennant Weather Forecast

    • 44
    • 79

    Increasing Clouds

    • 43
    • 76

    Mostly Sunny

    • 46
    • 82

    Mostly Sunny

    • 46
    • 81

    Mostly Sunny

    • 48
    • 83

    Mostly Sunny

    • 47
    • 84

    Mostly Sunny

Today 7 May North Central and Southeast Siskiyou County

Sunny. Highs in the lower 70s to lower 80s. West Winds around 5 Mph shifting to the southwest in the late morning and afternoon.

Tonight 7 May North Central and Southeast Siskiyou County

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 40s to lower 50s. West Winds 10 to 15 Mph shifting to the southwest around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tennant Temperature Statistics

May Temperature

Mount Shasta (28 miles)

  • Lowest 1 May, 2026

    40.6 °F

  • Average May

    57.7 °F

  • Highest 3 May, 2026

    77.6 °F

Climate (2021–Present)

Mount Shasta (28 miles)

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

  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    65.9 °F
Get WillyWeather+ to remove ads