Lake Sunapee Weather Forecast

    • 50
    • 71

    Chance Thunderstorms

    • 40
    • 60

    Rain

    • 37
    • 56

    Slight Chance Rain Showers

    • 36
    • 53

    Partly Sunny

    • 38
    • 54

    Chance Rain Showers

    • 40
    • 58

    Chance Rain Showers

Today 5 May Sullivan

Partly sunny. A slight chance of Showers this Morning, then a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Highs in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 5 May Sullivan

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Some Thunderstorms may produce gusty Winds in the evening. Lows in the lower 50s. Southwest Winds 10 to 15 Mph. Gusts up to 35 Mph in the evening. Chance of rain 50 percent.

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Lake Sunapee Temperature Statistics

May Temperature

Lebanon Municipal Airport (21.1 miles)

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Climate (2021–Present)

Lebanon Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    59.7 °F
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