Mount Sunapee Resort Weather Forecast

    • 9
    • 19

    Increasing Clouds

    • 18
    • 30

    Mostly Cloudy

    • 10
    • 27

    Chance Snow

    • -2
    • 16

    Mostly Sunny

    • 15
    • 22

    Chance Snow

    • 27
    • 35

    Chance Snow

Today 5 Dec Merrimack

Mostly sunny. Highs in the lower 20s. Light and variable Winds.

Tonight 5 Dec Merrimack

Partly cloudy. Lows around 9 above. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Sunapee Resort Temperature Statistics

December Temperature

Springfield, Hartness State Springfield Airport (21.7 miles)

  • Lowest 3 December, 2025

    18 °F

  • Average December

    27.1 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Springfield, Hartness State Springfield Airport (21.7 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    58.9 °F
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