Sullivan Regional Airport Weather Forecast

    • 55
    • 72

    Decreasing Clouds

    • 55
    • 73

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 56
    • 77

    Mostly Cloudy

    • 57
    • 77

    Chance Rain Showers

    • 59
    • 82

    Partly Sunny

    • 62
    • 83

    Chance Rain Showers

Today 22 Sep Franklin

Partly sunny with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Tonight 22 Sep Franklin

Mostly cloudy this Evening, then clearing. Lows in the mid 50s. Northeast Winds around 5 Mph.

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Sullivan Regional Airport Temperature Statistics

September Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 8 September, 2026

    62.6 °F

  • Average September

    81 °F

  • Highest 5 September, 2026

    102.2 °F

Climate (2021–2026)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.7 °F
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