Lake Sunapee Weather Forecast

    • 29
    • 47

    Snow/Sleet

    • 26
    • 31

    Sleet

    • 32
    • 34

    Wintry Mix

    • 32
    • 57

    Rain Showers Likely

    • 16
    • 43

    Partly Sunny

    • 28
    • 43

    Mostly Cloudy

    • 37
    • 50

    Chance Rain

Today 28 Mar Sullivan

Partly sunny. Highs around 50. West Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 28 Mar Sullivan

A slight chance of rain and snow this Evening, then Rain, snow and sleet after midnight. Snow and sleet accumulation up to 1 inch. Lows around 30. Northwest Winds around 10 Mph, becoming east with Gusts up to 20 Mph after midnight. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sunapee Temperature Statistics

March Temperature

Lebanon Municipal Airport (21.1 miles)

  • Lowest 3 March, 2025

    -5.2 °F

  • Average March

    36.4 °F

  • Highest 19 March, 2025

    67.6 °F

Climate (2020–Present)

Lebanon Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    59.7 °F
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