Highland Lake Weather Forecast

    • 49
    • 75

    Becoming Sunny

    • 47
    • 73

    Slight Chance Rain Showers

    • 52
    • 77

    Chance Rain Showers

    • 47
    • 71

    Rain Showers Likely

    • 47
    • 70

    Chance Rain Showers

    • 49
    • 75

    Partly Sunny

Today 26 Aug Merrimack

Mostly sunny. Highs in the mid 70s. West Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 26 Aug Merrimack

Mostly clear. Lows in the upper 40s. West Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Lake Temperature Statistics

August Temperature

Laconia, Laconia Municipal Airport (18.6 miles)

  • Lowest 21 August, 2025

    48 °F

  • Average August

    70.8 °F

  • Highest 13 August, 2025

    95 °F

Climate (2020–Present)

Laconia, Laconia Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    57.3 °F
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