Highland Lake Weather Forecast

    • 59
    • 87

    Mostly Sunny

    • 65
    • 89

    Rain Showers Likely

    • 69
    • 96

    Chance Thunderstorms

    • 71
    • 95

    Mostly Sunny

    • 67
    • 94

    Slight Chance Thunderstorms

    • 63
    • 89

    Chance Rain Showers

Today 29 Jun Merrimack

Patchy fog this morning. Mostly sunny. Warm with Highs in the mid 80s. Light and variable Winds.

Tonight 29 Jun Merrimack

Mostly clear. Lows in the upper 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Lake Temperature Statistics

June Temperature

Laconia, Laconia Municipal Airport (18.6 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    67.4 °F

  • Highest 12 June, 2026

    89.1 °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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