Sullivan Regional Airport Weather Forecast

    • 25
    • 36

    Mostly Cloudy

    • 8
    • 32

    Mostly Cloudy

    • 11
    • 19

    Sunny

    • 28
    • 43

    Mostly Sunny

    • 39
    • 54

    Partly Sunny

    • 47
    • 60

    Chance Rain

    • 37
    • 57

    Partly Sunny

Today 12 Dec Franklin

Mostly cloudy. Near steady temperature in the upper 30s. North Winds around 5 Mph.

Tonight 12 Dec Franklin

Mostly cloudy. Lows in the mid 20s. Northwest Winds around 5 Mph.

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Sullivan Regional Airport Temperature Statistics

December Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 3 December, 2025

    14 °F

  • Average December

    33 °F

  • Highest 9 December, 2025

    59 °F

Climate (2020–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    69 °F
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