Alder Lake Weather Forecast

    • 4
    • 19

    Mostly Cloudy

    • 2
    • 20

    Mostly Cloudy

    • -1
    • 23

    Snow Showers Likely

    • -10
    • 2

    Cold

    • -3
    • 5

    Cold

    • 4
    • 13

    Partly Sunny

Today 4 Feb Western Ulster

Sunny, cold with Highs in the upper 20s. Northwest Winds 5 to 10 Mph.

Tonight 4 Feb Western Ulster

Partly cloudy. Cold with Lows around 6 above. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alder Lake Temperature Statistics

February Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 1 February, 2026

    -2 °F

  • Average February

    11.1 °F

  • Highest 2 February, 2026

    27 °F

Climate (2021–Present)

Monticello, Sullivan County International Airport (24.9 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    55 °F
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