Lake Winnipesaukee Weather Forecast

    • 65
    • 84

    Slight Chance Thunderstorms

    • 61
    • 81

    Mostly Sunny

    • 60
    • 81

    Slight Chance Thunderstorms

    • 58
    • 80

    Chance Thunderstorms

    • 55
    • 75

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

Today 10 Aug Belknap

Partly sunny. Warm with Highs in the mid 80s. Light and variable Winds, becoming southwest around 10 Mph this afternoon.

Tonight 10 Aug Belknap

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the mid 60s. Light and variable Winds. Chance of rain 40 percent.

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  • Temperature Real-Time

Lake Winnipesaukee Temperature Statistics

August Temperature

Laconia, Laconia Municipal Airport (5 miles)

  • Lowest 5 August, 2026

    61 °F

  • Average August

    75.7 °F

  • Highest 7 August, 2026

    91 °F

Climate (2021–2026)

Laconia, Laconia Municipal Airport (5 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57 °F
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