Sunapee Weather Forecast

    • 60
    • 87

    Increasing Clouds

    • 56
    • 70

    Chance Rain Showers

    • 54
    • 64

    Rain Likely

    • 58
    • 64

    Rain Likely

    • 60
    • 75

    Mostly Cloudy

    • 67
    • 83

    Chance Rain Showers

Today 25 Jun Sullivan

Partly sunny with isolated Showers. Warm with Highs in the upper 80s. Light and variable Winds, becoming northwest around 10 Mph this afternoon. Chance of rain 20 percent.

Tonight 25 Jun Sullivan

Mostly clear in the Evening, then becoming partly cloudy. Less humid with Lows around 60. North Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunapee Temperature Statistics

June Temperature

Lebanon Municipal Airport (19.3 miles)

  • Lowest 2 June, 2025

    42.7 °F

  • Average June

    66.9 °F

  • Highest 5 June, 2025

    93.7 °F

Climate (2020–Present)

Lebanon Municipal Airport (19.3 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    59.8 °F
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