Highland Lake Weather Forecast

    • 56
    • 78

    Chance Rain Showers

    • 54
    • 69

    Chance Rain Showers

    • 59
    • 85

    Mostly Sunny

    • 64
    • 88

    Chance Rain Showers

    • 60
    • 86

    Chance Thunderstorms

    • 59
    • 82

    Slight Chance Thunderstorms

Today 6 Jul Merrimack

Cloudy. Highs in the upper 70s. Light and variable Winds, becoming southeast around 10 Mph this afternoon.

Tonight 6 Jul Merrimack

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Lake Temperature Statistics

July Temperature

Laconia, Laconia Municipal Airport (18.6 miles)

  • Lowest 1 July, 2026

    70 °F

  • Average July

    81.7 °F

  • Highest 2 July, 2026

    93 °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 °F

  • Average High 2021–2026

    56.9 °F
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