Sullivan Regional Airport Weather Forecast

    • 55
    • 81

    Increasing Clouds

    • 43
    • 67

    Mostly Cloudy

    • 48
    • 73

    Sunny

    • 56
    • 80

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 59
    • 80

    Slight Chance Thunderstorms

Today 9 May Franklin

Patchy fog in the morning. Sunny. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 9 May Franklin

Cloudy. Patchy dense fog. Near steady temperature in the mid 50s. Southwest Winds around 5 Mph.

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Sullivan Regional Airport Temperature Statistics

May Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 1 May, 2026

    42.8 °F

  • Average May

    59.1 °F

  • Highest 4 May, 2026

    84.2 °F

Climate (2021–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    69.6 °F
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