Alder Lake Weather Forecast

    • -4
    • 12

    Mostly Cloudy

    • -8
    • 11

    Mostly Cloudy

    • -8
    • 7

    Cold

    • -3
    • 12

    Mostly Cloudy

    • 5
    • 15

    Slight Chance Snow

    • 8
    • 21

    Mostly Cloudy

Today 28 Jan Western Ulster

Mostly sunny. Cold with Highs around 17. West Winds around 5 Mph.

Tonight 28 Jan Western Ulster

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows around 2 below. Light and variable Winds, becoming northwest around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alder Lake Temperature Statistics

January Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 21 January, 2026

    -9 °F

  • Average January

    23 °F

  • Highest 9 January, 2026

    44.1 °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

    45.7 °F

  • Average High 2021–2026

    55.1 °F
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