Mount Sunapee Weather Forecast

    • 56
    • 67

    Rain Showers

    • 57
    • 67

    Rain Showers Likely

    • 59
    • 76

    Partly Sunny

    • 61
    • 80

    Mostly Cloudy

    • 61
    • 79

    Chance Rain Showers

    • 60
    • 78

    Chance Thunderstorms

    • 60
    • 79

    Slight Chance Rain Showers

Today 29 Jul Merrimack

Showers with a slight chance of Thunderstorms. Patchy fog. Some Thunderstorms may produce heavy rainfall. Highs around 70. East Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 29 Jul Merrimack

Showers with a slight chance of Thunderstorms. Patchy fog. Some Thunderstorms may produce heavy rainfall. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Sunapee Temperature Statistics

July Temperature

Springfield, Hartness State Springfield Airport (22.4 miles)

  • Lowest 24 July, 2026

    49.6 °F

  • Average July

    71.4 °F

  • Highest 1 July, 2026

    96.7 °F

Climate (2021–2026)

Springfield, Hartness State Springfield Airport (22.4 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    59.1 °F
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