Highland Lake Weather Forecast

    • 64
    • 86

    Rain Showers

    • 65
    • 84

    Rain Showers Likely

    • 61
    • 85

    Partly Sunny

    • 56
    • 83

    Chance Thunderstorms

    • 54
    • 76

    Mostly Sunny

    • 61
    • 83

    Mostly Cloudy

    • 68
    • 89

    Chance Rain Showers

Today 30 Jun Merrimack

Mostly sunny. Warm with Highs in the upper 80s. Light and variable Winds, becoming southwest around 10 Mph this afternoon.

Tonight 30 Jun Merrimack

Mostly clear this Evening, then partly cloudy with scattered Showers with isolated Thunderstorms after midnight. Patchy fog after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall after midnight. Lows in the mid 60s. Light and variable Winds. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Lake Temperature Statistics

June Temperature

Laconia, Laconia Municipal Airport (18.6 miles)

  • Lowest 3 June, 2025

    44.1 °F

  • Average June

    66.8 °F

  • Highest 24 June, 2025

    97 °F

Climate (2020–Present)

Laconia, Laconia Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    57.3 °F
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