Alder Lake Weather Forecast

    • 28
    • 35

    Cloudy

    • 27
    • 38

    Mostly Cloudy

    • 36
    • 43

    Rain

    • 31
    • 43

    Rain

    • 17
    • 36

    Chance Snow Showers

    • 18
    • 26

    Partly Sunny

Today 7 Jan Western Ulster

Mostly cloudy with rain and freezing rain likely this Morning, then partly sunny this afternoon. Ice accumulation around a trace. Highs around 40. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 70 percent.

Tonight 7 Jan Western Ulster

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows in the upper 20s. Northwest Winds around 5 Mph. Gusts up to 20 Mph in the evening.

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Alder Lake Temperature Statistics

January Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 1 January, 2026

    6.1 °F

  • Average January

    18.5 °F

  • Highest 5 January, 2026

    27 °F

Climate (2021–Present)

Monticello, Sullivan County International Airport (24.9 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
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