Windham Mountain Weather Forecast

    • 50
    • 72

    Decreasing Clouds

    • 47
    • 66

    Mostly Sunny

    • 56
    • 70

    Chance Rain Showers

    • 52
    • 71

    Slight Chance Thunderstorms

    • 46
    • 63

    Partly Sunny

    • 54
    • 66

    Slight Chance Rain Showers

    • 55
    • 71

    Chance Rain Showers

Today 10 Sep Western Greene

Mostly sunny. Near steady temperature in the lower 70s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 10 Sep Western Greene

Mostly cloudy. Cooler with Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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Windham Mountain Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (49.7 miles)

  • Lowest 7 September, 2026

    48 °F

  • Average September

    65.7 °F

  • Highest 3 September, 2026

    81 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (49.7 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
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