Sullivan Regional Airport Weather Forecast

    • 63
    • 80

    Increasing Clouds

    • 66
    • 81

    Rain Showers Likely

    • 67
    • 83

    Rain Showers

    • 70
    • 82

    Thunderstorms Likely

    • 73
    • 87

    Slight Chance Thunderstorms

    • 75
    • 91

    Mostly Sunny

Today 23 Jun Franklin

Sunny. Not as cool with Highs in the lower 80s. East Winds around 5 Mph.

Tonight 23 Jun Franklin

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Sullivan Regional Airport Temperature Statistics

June Temperature

Washington Regional Airport (26.1 miles)

  • Lowest 3 June, 2026

    53.6 °F

  • Average June

    75.3 °F

  • Highest 17 June, 2026

    93.2 °F

Climate (2021–2026)

Washington Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.7 °F
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