Highland Lake Weather Forecast

    • 53
    • 78

    Slight Chance Rain Showers

    • 55
    • 78

    Mostly Sunny

    • 57
    • 81

    Partly Sunny

    • 61
    • 83

    Chance Thunderstorms

    • 57
    • 82

    Chance Thunderstorms

    • 54
    • 80

    Mostly Sunny

Today 24 Aug Merrimack

Mostly sunny. Areas of fog this morning. A slight chance of Showers this afternoon. Visibility one quarter mile or less at Times this morning. Highs in the upper 70s. Light and variable Winds, becoming southwest around 10 Mph with Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 24 Aug Merrimack

Partly cloudy. A slight chance of Showers in the evening. Lows in the mid 50s. Southwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable. Chance of rain 20 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 16 August, 2026

    51.1 °F

  • Average August

    71.9 °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 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57 °F
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