Highland Lake Weather Forecast

    • 45
    • 52

    Rain Showers

    • 50
    • 70

    Rain Showers

    • 58
    • 82

    Partly Sunny

    • 51
    • 81

    Slight Chance Thunderstorms

    • 47
    • 69

    Partly Sunny

    • 45
    • 67

    Chance Rain Showers

    • 45
    • 66

    Partly Sunny

Today 24 May Merrimack

Showers. Highs in the lower 50s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 24 May Merrimack

Showers. Patchy fog after midnight. Lows in the mid 40s. East Winds around 10 Mph this Evening, becoming light and variable. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Lake Temperature Statistics

May Temperature

Laconia, Laconia Municipal Airport (18.6 miles)

  • Lowest 8 May, 2026

    32 °F

  • Average May

    55.2 °F

  • Highest 19 May, 2026

    89.1 °F

Climate (2021–Present)

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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