Clarksville Weather Forecast

    • 73
    • 92

    Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

    • 73
    • 89

    Chance Thunderstorms

    • 73
    • 88

    Thunderstorms Likely

    • 73
    • 89

    Thunderstorms Likely

    • 73
    • 89

    Thunderstorms Likely

Today 7 Sep Calhoun

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Northeast Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 107 this afternoon.

Tonight 7 Sep Calhoun

Partly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the lower 70s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clarksville Temperature Statistics

September Temperature

Marianna Municipal Airport (27.3 miles)

  • Lowest 3 September, 2026

    73.7 °F

  • Average September

    83.8 °F

  • Highest 2 September, 2026

    96.7 °F

Climate (2021–2026)

Marianna Municipal Airport (27.3 miles)

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  • Average Low 2021–2026

    58 °F

  • Average 2021–2026

    68.9 °F

  • Average High 2021–2026

    80.3 °F
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