Sullivan Regional Airport Weather Forecast

    • 40
    • 59

    Slight Chance Rain Showers

    • 41
    • 68

    Mostly Sunny

    • 53
    • 72

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 63
    • 84

    Chance Rain Showers

Today 18 Apr Franklin

Mostly cloudy with a chance of Showers in the Morning, then sunny in the afternoon. Much cooler with Highs around 60. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 18 Apr Franklin

Showers with a slight chance of Thunderstorms. Much cooler with Lows in the mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Real-Time

Sullivan Regional Airport Temperature Statistics

April Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 6 April, 2026

    35.6 °F

  • Average April

    63.7 °F

  • Highest 3 April, 2026

    84.2 °F

Climate (2021–Present)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    69.5 °F
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