Sullivan Regional Airport Weather Forecast

    • 39
    • 59

    Increasing Clouds

    • 25
    • 43

    Increasing Clouds

    • 36
    • 44

    Mostly Cloudy

    • 23
    • 45

    Mostly Cloudy

    • 11
    • 37

    Mostly Cloudy

    • 16
    • 26

    Partly Sunny

    • 26
    • 41

    Mostly Cloudy

Today 9 Dec Franklin

Mostly sunny. Not as cool with Highs in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 9 Dec Franklin

Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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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

    30.3 °F
  • Highest 6 December, 2025

    51.8 °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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