Sullivan County International Airport Weather Forecast

    • 64
    • 79

    Rain Showers

    • 54
    • 77

    Rain Showers Likely

    • 62
    • 80

    Partly Sunny

    • 62
    • 81

    Rain Showers Likely

    • 64
    • 82

    Rain Showers Likely

    • 64
    • 82

    Rain Showers Likely

    • 63
    • 82

    Chance Thunderstorms

Today 2 Aug Sullivan

Showers likely with a slight chance of Thunderstorms. Highs around 80. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 2 Aug Sullivan

A slight chance of Thunderstorms. Showers. Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

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Sullivan County International Airport Temperature Statistics

August Temperature

Monticello, Sullivan County International Airport (0 miles)

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  • Average August

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Climate (2021–2026)

Monticello, Sullivan County International Airport (0 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    55.1 °F
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