Alder Lake Weather Forecast

    • 22
    • 35

    Chance Flurries

    • 27
    • 35

    Chance Snow Showers

    • 24
    • 39

    Mostly Cloudy

    • 28
    • 35

    Rain/Snow

    • 26
    • 36

    Rain/Snow Likely

    • 24
    • 35

    Rain/Snow Likely

Today 15 Feb Western Ulster

Partly sunny. Near steady temperature in the mid 30s. Southeast Winds around 5 Mph.

Tonight 15 Feb Western Ulster

Mostly cloudy. A chance of light snow after midnight. Cold with Lows in the lower 20s. Light and variable Winds. Chance of snow 30 percent.

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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 8 February, 2026

    -7.1 °F

  • Average February

    16.5 °F

  • Highest 10 February, 2026

    32 °F

Climate (2021–Present)

Monticello, Sullivan County International Airport (24.9 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    54.9 °F
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