Highland Lake Weather Forecast

    • 55
    • 79

    Rain Showers Likely

    • 54
    • 69

    Rain Showers Likely

    • 55
    • 69

    Rain Showers

    • 56
    • 74

    Chance Rain Showers

    • 54
    • 74

    Chance Rain Showers

    • 51
    • 72

    Chance Rain Showers

Today 31 Aug Merrimack

Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 31 Aug Merrimack

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Patchy fog after midnight. Lows in the mid 50s. Light and variable Winds. Chance of rain 50 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

    70.9 °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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