Mountain Lake Weather Forecast

    • -4
    • 12

    Mostly Cloudy

    • 1
    • 15

    Partly Sunny

    • 5
    • 22

    Partly Sunny

    • 8
    • 25

    Mostly Cloudy

    • 4
    • 22

    Slight Chance Snow Showers

    • 4
    • 21

    Mostly Cloudy

Today 31 Jan Delaware

Mostly cloudy this Morning, then becoming partly sunny. Highs near 15. Northwest Winds around 5 Mph.

Tonight 31 Jan Delaware

Partly cloudy. Lows around 5 below. North Winds 5 to 10 Mph. Wind chill Values as low as 19 below.

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Mountain Lake Temperature Statistics

January Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 21 January, 2026

    -9 °F

  • Average January

    21.9 °F

  • Highest 9 January, 2026

    44.1 °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 °F
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