Alder Lake Weather Forecast

    • 20
    • 29

    Snow

    • 8
    • 26

    Snow

    • 6
    • 16

    Snow Likely

    • 20
    • 31

    Chance Snow

    • 19
    • 30

    Snow Likely

    • 16
    • 30

    Slight Chance Snow

Today 22 Feb Western Ulster

Snow likely. Snow accumulation around an inch. Near steady temperature around 30. East Winds around 5 Mph. Chance of snow 70 percent.

Tonight 22 Feb Western Ulster

Snow. Patchy blowing snow after midnight. Snow may be heavy at Times. Additional snow accumulation of 6 to 10 Inches. Cold. Near steady temperature in the mid 20s. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph, increasing to 40 Mph after midnight. Chance of snow 90 percent.

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  • Temperature Real-Time

Alder Lake Temperature Statistics

February Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 8 February, 2026

    -7.1 °F

  • Average February

    21.4 °F

  • Highest 17 February, 2026

    45 °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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