Clarksville Weather Forecast

    • 56
    • 86

    Mostly Sunny

    • 56
    • 85

    Partly Sunny

    • 55
    • 82

    Partly Sunny

    • 55
    • 80

    Partly Sunny

    • 56
    • 85

    Mostly Sunny

    • 56
    • 87

    Partly Sunny

Today 14 Sep Greene

Sunny, warm with Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 14 Sep Greene

Clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clarksville Temperature Statistics

September Temperature

Washington - Washington County Airport (16.8 miles)

  • Lowest 8 September, 2025

    39.9 °F

  • Average September

    61.3 °F

  • Highest 12 September, 2025

    82 °F

Climate (2020–Present)

Washington - Washington County Airport (16.8 miles)

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

  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    62.5 °F
Get WillyWeather+ to remove ads