Sullivan Regional Airport Weather Forecast

    • 35
    • 53

    Increasing Clouds

    • 45
    • 56

    Partly Sunny

    • 20
    • 54

    Rain Showers Likely

    • 35
    • 42

    Partly Sunny

    • 33
    • 58

    Partly Sunny

    • 35
    • 50

    Mostly Cloudy

Today 16 Dec Franklin

Sunny. Highs in the lower 50s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 16 Dec Franklin

Mostly cloudy. Lows in the mid 30s. Southwest Winds 5 to 10 Mph.

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Sullivan Regional Airport Temperature Statistics

December Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 13 December, 2025

    10.4 °F

  • Average December

    32.4 °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 °F

  • Average High 2020–2025

    69 °F
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