Upper Suncook Lake Weather Forecast

    • 53
    • 80

    Becoming Sunny

    • 44
    • 71

    Sunny

    • 58
    • 75

    Chance Rain Showers

    • 58
    • 75

    Chance Rain Showers

    • 47
    • 70

    Mostly Sunny

    • 55
    • 71

    Partly Sunny

    • 57
    • 78

    Slight Chance Rain Showers

Today 10 Sep Belknap

Mostly sunny. Highs in the upper 70s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 10 Sep Belknap

Partly cloudy. Lows in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 30 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Suncook Lake Temperature Statistics

September Temperature

Laconia, Laconia Municipal Airport (13.7 miles)

  • Lowest 7 September, 2026

    51.1 °F

  • Average September

    64.9 °F

  • Highest 4 September, 2026

    79 °F

Climate (2021–2026)

Laconia, Laconia Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57 °F
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