Windsor Lake Weather Forecast

    • 18
    • 25

    Increasing Clouds

    • 24
    • 34

    Rain/Snow

    • 16
    • 32

    Mostly Cloudy

    • 15
    • 29

    Chance Snow

    • 13
    • 29

    Slight Chance Snow

    • 9
    • 25

    Partly Sunny

Today 9 Dec Western Ulster

Sunny in the Morning, then becoming partly sunny. Cold with Highs in the mid 20s. Southwest Winds around 5 Mph.

Tonight 9 Dec Western Ulster

Mostly cloudy. Not as cold with Lows around 17. Temperature rising into the lower 20s after midnight. Southwest Winds around 5 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Windsor Lake Temperature Statistics

December Temperature

Monticello, Sullivan County International Airport (16.2 miles)

  • Lowest 5 December, 2025

    -2 °F

  • Average December

    24.4 °F

  • Highest 1 December, 2025

    35.1 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (16.2 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    55.3 °F
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