Sullivan Regional Airport Weather Forecast

    • 63
    • 83

    Increasing Clouds

    • 72
    • 89

    Thunderstorms Likely

    • 68
    • 87

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

    • 63
    • 82

    Mostly Sunny

    • 63
    • 84

    Mostly Sunny

Today 17 Aug Franklin

Mostly sunny. Cooler with Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 17 Aug Franklin

Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. North Winds around 5 Mph, becoming south after midnight.

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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

    78.3 °F

  • Highest 13 August, 2026

    96.8 °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

    69.6 °F
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