Alder Lake Weather Forecast

    • 27
    • 49

    Mostly Sunny

    • 34
    • 55

    Partly Sunny

    • 41
    • 60

    Partly Sunny

    • 44
    • 61

    Mostly Cloudy

    • 48
    • 60

    Rain Showers Likely

    • 48
    • 60

    Rain Showers Likely

Today 31 Oct Western Ulster

Sunny. Highs in the mid 50s. Northwest Winds 5 to 10 Mph.

Tonight 31 Oct Western Ulster

Mostly clear. Cold with Lows around 30. Northwest Winds around 5 Mph.

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Alder Lake Temperature Statistics

October Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 18 October, 2026

    26.1 °F

  • Average October

    51.8 °F

  • Highest 2 October, 2026

    79 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (24.9 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    55.1 °F
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