Mount Sunapee Weather Forecast

    • 35
    • 53

    Decreasing Clouds

    • 49
    • 63

    Mostly Sunny

    • 33
    • 58

    Mostly Sunny

    • 28
    • 51

    Mostly Sunny

    • 36
    • 56

    Partly Sunny

    • 39
    • 58

    Chance Rain Showers

Today 28 Oct Merrimack

Partly sunny. Highs in the mid 50s. Light and variable Winds.

Tonight 28 Oct Merrimack

Mostly clear. Lows in the mid 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Sunapee Temperature Statistics

October Temperature

Springfield, Hartness State Springfield Airport (22.4 miles)

  • Lowest 18 October, 2026

    24.7 °F

  • Average October

    50.1 °F

  • Highest 2 October, 2026

    80.7 °F

Climate (2021–2026)

Springfield, Hartness State Springfield Airport (22.4 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    59.1 °F
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