Windsor Lake Weather Forecast

    • 55
    • 81

    Becoming Sunny

    • 43
    • 78

    Mostly Sunny

    • 43
    • 70

    Mostly Sunny

    • 49
    • 70

    Partly Sunny

    • 54
    • 76

    Partly Sunny

    • 56
    • 80

    Partly Sunny

Today 18 Sep Western Ulster

Patchy fog in the morning. Mostly sunny. Warmer with Highs in the upper 70s. Light and variable Winds, becoming west around 5 Mph in the afternoon.

Tonight 18 Sep Western Ulster

Partly cloudy. Patchy fog. Near steady temperature in the lower 50s. Light and variable Winds.

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Windsor Lake Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (16.2 miles)

  • Lowest 2 September, 2025

    48.2 °F

  • Average September

    48.2 °F

  • Highest 2 September, 2025

    48.2 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (16.2 miles)

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  • Average Low 2020–2025

    37 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    55.6 °F
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