Mount Sunapee Weather Forecast

    • 45
    • 72

    Becoming Sunny

    • 54
    • 75

    Sunny

    • 57
    • 81

    Sunny

    • 61
    • 84

    Partly Sunny

    • 60
    • 82

    Partly Sunny

    • 60
    • 81

    Mostly Cloudy

    • 60
    • 78

    Partly Sunny

Today 1 Aug Merrimack

Partly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 1 Aug Merrimack

Partly cloudy this Evening, then clearing. Lows in the lower 50s. Light and variable Winds.

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Mount Sunapee Temperature Statistics

August Temperature

Springfield, Hartness State Springfield Airport (22.4 miles)

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  • Average August

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Climate (2020–Present)

Springfield, Hartness State Springfield Airport (22.4 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    58.8 °F
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