Lake Sunapee Weather Forecast

    • 62
    • 64

    Rain Showers Likely

    • 65
    • 76

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

    • 57
    • 73

    Slight Chance Thunderstorms

    • 62
    • 75

    Chance Rain Showers

    • 64
    • 79

    Partly Sunny

Today 17 Jun Sullivan

Cloudy with a 50 percent chance of Showers. Patchy fog. Highs in the mid 60s. Light and variable Winds.

Tonight 17 Jun Sullivan

Cloudy. Showers Likely, mainly in the evening. Patchy fog. Lows in the lower 60s. Light and variable Winds. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Sunapee Temperature Statistics

June Temperature

Lebanon Municipal Airport (21.1 miles)

  • Lowest 2 June, 2025

    42.7 °F

  • Average June

    64.7 °F

  • Highest 5 June, 2025

    93.7 °F

Climate (2020–Present)

Lebanon Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    59.8 °F
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