Sullivan Regional Airport Weather Forecast

    • 74
    • 97

    Hot

    • 72
    • 98

    Hot

    • 67
    • 93

    Mostly Sunny

    • 67
    • 91

    Mostly Sunny

    • 74
    • 96

    Mostly Sunny

    • 74
    • 97

    Hot

Today 4 Sep Franklin

Sunny, hot with Highs in the upper 90s. West Winds around 5 Mph, becoming southwest. Heat index Values up to 104.

Tonight 4 Sep Franklin

Mostly clear. Lows in the mid 70s. Light and variable Winds. Heat index Values up to 102 early in the evening.

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Sullivan Regional Airport Temperature Statistics

September Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 1 September, 2026

    68 °F

  • Average September

    84.8 °F

  • Highest 1 September, 2026

    100.4 °F

Climate (2021–2026)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.6 °F
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