Highland Lake Weather Forecast

    • 37
    • 62

    Sunny

    • 33
    • 55

    Sunny

    • 46
    • 64

    Mostly Sunny

    • 44
    • 69

    Mostly Sunny

    • 41
    • 62

    Mostly Sunny

    • 37
    • 59

    Mostly Sunny

    • 45
    • 64

    Partly Sunny

Today 5 Oct Merrimack

Partly sunny. Patchy fog this morning. A chance of Showers, mainly this morning. Highs in the lower 60s. West Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 5 Oct Merrimack

Clear. Lows in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Highland Lake Temperature Statistics

October Temperature

Laconia, Laconia Municipal Airport (18.6 miles)

  • Lowest 3 October, 2026

    46 °F

  • Average October

    62.6 °F

  • Highest 2 October, 2026

    78.1 °F

Climate (2021–2026)

Laconia, Laconia Municipal Airport (18.6 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57 °F
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