Sullivan Regional Airport Weather Forecast

    • 63
    • 87

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 69
    • 96

    Rain Showers

    • 61
    • 81

    Slight Chance Rain Showers

    • 66
    • 85

    Chance Rain Showers

    • 66
    • 89

    Slight Chance Thunderstorms

Today 7 Sep Franklin

Partly sunny this Morning, then clearing. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 7 Sep Franklin

Mostly clear. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Sullivan Regional Airport Temperature Statistics

September Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 1 September, 2026

    68 °F

  • Average September

    85.5 °F

  • Highest 5 September, 2026

    102.2 °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

    69.7 °F
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