Highland Lake Weather Forecast

    • 63
    • 87

    Chance Rain Showers

    • 59
    • 83

    Partly Sunny

    • 58
    • 83

    Chance Rain Showers

    • 55
    • 81

    Chance Thunderstorms

    • 52
    • 77

    Mostly Sunny

    • 52
    • 78

    Partly Sunny

Today 10 Aug Merrimack

Partly sunny. Warm with Highs in the mid 80s. Light and variable Winds.

Tonight 10 Aug Merrimack

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 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Lake Temperature Statistics

August Temperature

Laconia, Laconia Municipal Airport (18.6 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 (18.6 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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