Mountain Lake Weather Forecast

    • -6
    • 16

    Decreasing Clouds

    • 16
    • 22

    Snow

    • 20
    • 33

    Snow

    • 13
    • 26

    Chance Snow Showers

    • 11
    • 24

    Snow Showers Likely

    • 9
    • 23

    Snow Showers Likely

    • 5
    • 19

    Chance Snow Showers

Today 8 Dec Delaware

Partly sunny. Highs 15 to 20. North Winds around 5 Mph.

Tonight 8 Dec Delaware

Partly cloudy. Lows zero to 5 below. Northwest Winds around 5 Mph this Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Lake Temperature Statistics

December Temperature

Monticello, Sullivan County International Airport (24.9 miles)

  • Lowest 5 December, 2025

    -2 °F

  • Average December

    24.4 °F

  • Highest 1 December, 2025

    35.1 °F

Climate (2020–Present)

Monticello, Sullivan County International Airport (24.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    55.3 °F
Get WillyWeather+ to remove ads