Sullivan Weather Forecast

    • 59
    • 80

    Mostly Cloudy

    • 64
    • 84

    Partly Sunny

    • 66
    • 84

    Mostly Sunny

    • 67
    • 87

    Mostly Sunny

    • 69
    • 90

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

Today 3 Aug Franklin

Mostly sunny. Near steady temperature in the upper 70s. Northeast Winds around 5 Mph.

Tonight 3 Aug Franklin

Mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Sullivan Temperature Statistics

August Temperature

Washington Regional Airport (27.3 miles)

  • Lowest 1 August, 2025

    62.6 °F

  • Average August

    71.9 °F

  • Highest 1 August, 2025

    80.6 °F

Climate (2020–Present)

Washington Regional Airport (27.3 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.6 °F
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