Alder Lake Weather Forecast

    • 34
    • 50

    Chance Rain Showers

    • 34
    • 46

    Chance Rain Showers

    • 31
    • 47

    Slight Chance Rain Showers

    • 28
    • 45

    Partly Sunny

    • 27
    • 46

    Partly Sunny

    • 27
    • 49

    Partly Sunny

Today 22 Oct Western Ulster

Partly sunny. A slight chance of Showers this morning. Highs in the mid 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 22 Oct Western Ulster

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alder Lake Temperature Statistics

October Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 10 October, 2025

    28 °F

  • Average October

    53.6 °F

  • Highest 5 October, 2025

    81 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (24.9 miles)

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  • Average Low 2020–2025

    36.9 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    55.5 °F
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