Windsor Lake Weather Forecast

    • 37
    • 41

    Increasing Clouds

    • 21
    • 50

    Rain

    • 27
    • 35

    Mostly Cloudy

    • 19
    • 39

    Partly Sunny

    • 18
    • 29

    Partly Sunny

    • 24
    • 36

    Chance Rain/Snow

Today 18 Dec Western Ulster

Sunny. Highs in the lower 40s. Southwest Winds 5 to 10 Mph.

Tonight 18 Dec Western Ulster

Rain. Not as cool with Lows in the mid 30s. Temperature rising into the mid 40s after midnight. South Winds 10 to 15 Mph. Gusts up to 30 Mph, increasing to 40 Mph after midnight. Chance of rain near 100 percent.

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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

    22.2 °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

    36.6 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    55.2 °F
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