Clarksville Weather Forecast

    • 57
    • 81

    Increasing Clouds

    • 67
    • 86

    Mostly Cloudy

    • 62
    • 88

    Mostly Cloudy

    • 56
    • 71

    Chance Thunderstorms

    • 55
    • 71

    Chance Rain Showers

    • 51
    • 70

    Slight Chance Rain Showers

Today 29 Sep Clark

Patchy fog in the morning. Sunny. Highs in the lower 80s. Southeast Winds around 5 Mph.

Tonight 29 Sep Clark

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Southeast Winds around 5 Mph.

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Clarksville Temperature Statistics

September Temperature

Edgar County Airport (18 miles)

  • Lowest 26 September, 2026

    49.6 °F

  • Average September

    73 °F

  • Highest 15 September, 2026

    97.7 °F

Climate (2021–2026)

Edgar County Airport (18 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    62.7 °F
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