Highland Lake Weather Forecast

    • 45
    • 52

    Rain

    • 44
    • 60

    Rain Likely

    • 52
    • 75

    Mostly Sunny

    • 47
    • 80

    Partly Sunny

    • 53
    • 78

    Partly Sunny

    • 61
    • 89

    Partly Sunny

Today 14 May Merrimack

Patchy fog this morning. Rain. A slight chance of Thunderstorms this afternoon. Highs in the upper 50s. Light and variable Winds, becoming east around 10 Mph with Gusts up to 20 Mph this afternoon. Chance of rain near 100 percent.

Tonight 14 May Merrimack

Isolated Thunderstorms this evening. Rain. Patchy fog. Lows in the mid 40s. Northeast Winds around 10 Mph. Chance of rain near 100 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

    50.7 °F

  • Highest 5 May, 2026

    82 °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

    48.1 °F

  • Average High 2021–2026

    57 °F
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