Sullivan Regional Airport Weather Forecast

    • 76
    • 98

    Slight Chance Thunderstorms

    • 77
    • 98

    Hot

    • 72
    • 97

    Hot

    • 68
    • 86

    Chance Thunderstorms

    • 72
    • 89

    Partly Sunny

    • 71
    • 94

    Partly Sunny

Today 14 Aug Franklin

Mostly sunny. Hot with Highs in the upper 90s. South Winds around 5 Mph. Heat index Values up to 110.

Tonight 14 Aug Franklin

Mostly clear. Lows in the mid 70s. South Winds around 5 Mph. Heat index Values up to 109 early in the evening.

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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

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.6 °F
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