Mount Sunapee Weather Forecast

    • 20
    • 41

    Mostly Sunny

    • 31
    • 46

    Partly Sunny

    • 34
    • 47

    Mostly Cloudy

    • 33
    • 53

    Partly Sunny

    • 34
    • 54

    Partly Sunny

    • 37
    • 54

    Chance Rain Showers

    • 39
    • 55

    Slight Chance Rain Showers

Today 20 Apr Merrimack

Mostly cloudy with isolated rain and snow Showers. Highs in the mid 40s. Northwest Winds around 10 Mph. Chance of precipitation 20 percent.

Tonight 20 Apr Merrimack

Mostly clear. Lows in the lower 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Sunapee Temperature Statistics

April Temperature

Springfield, Hartness State Springfield Airport (22.4 miles)

  • Lowest 8 April, 2026

    20.6 °F

  • Average April

    49.1 °F

  • Highest 16 April, 2026

    83.6 °F

Climate (2021–Present)

Springfield, Hartness State Springfield Airport (22.4 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.9 °F
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