Sullivan Regional Airport Weather Forecast

    • 70
    • 90

    Thunderstorms

    • 70
    • 84

    Thunderstorms

    • 68
    • 84

    Chance Thunderstorms

    • 71
    • 89

    Mostly Sunny

    • 74
    • 91

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

Today 5 Aug Franklin

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs around 90. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 5 Aug Franklin

Mostly clear. Near steady temperature around 70. South Winds around 5 Mph.

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Sullivan Regional Airport Temperature Statistics

August Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 1 August, 2026

    66.2 °F

  • Average August

    72.4 °F

  • Highest 2 August, 2026

    84.2 °F

Climate (2021–2026)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.7 °F
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