Alder Lake Weather Forecast

    • 37
    • 56

    Sunny

    • 45
    • 61

    Mostly Sunny

    • 33
    • 60

    Rain

    • 18
    • 38

    Slight Chance Snow

    • 23
    • 35

    Snow Likely

    • 20
    • 35

    Chance Snow

Today 9 Mar Western Ulster

Sunny. Highs in the lower 60s. West Winds around 5 Mph. Gusts up to 20 Mph this afternoon.

Tonight 9 Mar Western Ulster

Clear. Lows in the lower 40s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alder Lake Temperature Statistics

March Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 2 March, 2026

    9 °F

  • Average March

    30.8 °F

  • Highest 4 March, 2026

    51.1 °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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