Alder Lake Weather Forecast

    • 28
    • 52

    Rain Showers

    • 19
    • 32

    Slight Chance Snow Showers

    • 25
    • 39

    Partly Sunny

    • 25
    • 42

    Chance Rain/Snow

    • 27
    • 45

    Rain/Snow Likely

    • 15
    • 34

    Partly Sunny

Today 22 Mar Western Ulster

Mostly cloudy with a chance of rain in the Morning, then partly sunny with rain likely in the afternoon. Not as cool with Highs in the upper 50s. Southwest Winds around 5 Mph. Gusts up to 20 Mph in the afternoon. Chance of rain 60 percent.

Tonight 22 Mar Western Ulster

Mostly cloudy with a 30 percent chance of snow Showers. Near steady temperature in the mid 30s. South Winds around 5 Mph.

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Alder Lake Temperature Statistics

March Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 2 March, 2026

    9 °F

  • Average March

    36.9 °F

  • Highest 10 March, 2026

    73.9 °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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