Sunapee Weather Forecast

    • 49
    • 76

    Rain Showers

    • 35
    • 59

    Mostly Sunny

    • 47
    • 65

    Rain Showers

    • 52
    • 71

    Rain Showers

    • 43
    • 63

    Rain Showers

    • 40
    • 57

    Partly Sunny

Today 29 Apr Sullivan

Mostly sunny. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 29 Apr Sullivan

Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Thunderstorms in the evening. A chance of Showers. Lows in the upper 40s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

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Sunapee Temperature Statistics

April Temperature

Lebanon Municipal Airport (19.3 miles)

  • Lowest 10 April, 2025

    19.9 °F

  • Average April

    45.6 °F

  • Highest 19 April, 2025

    78.7 °F

Climate (2020–Present)

Lebanon Municipal Airport (19.3 miles)

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  • Average Low 2020–2025

    38.1 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    59.8 °F
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