Sunapee Weather Forecast

    • 44
    • 59

    Chance Rain

    • 44
    • 46

    Rain Likely

    • 33
    • 62

    Chance Rain/Snow

    • 31
    • 40

    Rain/Freezing Rain Likely

    • 41
    • 50

    Rain Likely

    • 34
    • 51

    Chance Rain/Snow

Today 30 Mar Sullivan

Partly sunny. Highs around 60. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 30 Mar Sullivan

Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. West Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunapee Temperature Statistics

March Temperature

Lebanon Municipal Airport (19.3 miles)

  • Lowest 2 March, 2026

    -6 °F

  • Average March

    36 °F

  • Highest 10 March, 2026

    73 °F

Climate (2021–Present)

Lebanon Municipal Airport (19.3 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    59.7 °F
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