Sullivan Regional Airport Weather Forecast

    • 77
    • 96

    Mostly Sunny

    • 76
    • 97

    Hot

    • 74
    • 96

    Partly Sunny

    • 75
    • 95

    Partly Sunny

    • 77
    • 98

    Hot

    • 72
    • 97

    Hot

Today 11 Aug Franklin

Sunny, hot with Highs in the upper 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 109 in the afternoon.

Tonight 11 Aug Franklin

Mostly clear. Near steady temperature in the upper 70s. Southwest Winds around 5 Mph with Gusts up to 20 Mph.

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Sullivan Regional Airport Temperature Statistics

August Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 3 August, 2026

    62.6 °F

  • Average August

    74.1 °F

  • Highest 4 August, 2026

    89.6 °F

Climate (2021–2026)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.7 °F
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