Sullivan Regional Airport Weather Forecast

    • 64
    • 94

    Thunderstorms

    • 61
    • 83

    Thunderstorms

    • 64
    • 86

    Rain Showers Likely

    • 65
    • 84

    Rain Showers Likely

    • 64
    • 83

    Chance Thunderstorms

    • 61
    • 77

    Chance Thunderstorms

    • 59
    • 76

    Chance Rain Showers

Today 18 Sep Franklin

Sunny with isolated Showers and Thunderstorms. Near steady temperature in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep Franklin

Mostly cloudy with scattered Showers and Thunderstorms. Lows in the lower 60s. West Winds around 5 Mph. Chance of rain 50 percent.

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Sullivan Regional Airport Temperature Statistics

September Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 8 September, 2025

    42.8 °F

  • Average September

    70.1 °F

  • Highest 14 September, 2025

    98.6 °F

Climate (2020–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    68.8 °F
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