Highland Lake Weather Forecast

    • 35
    • 57

    Becoming Sunny

    • 36
    • 57

    Partly Sunny

    • 44
    • 55

    Rain

    • 46
    • 59

    Rain

    • 46
    • 61

    Chance Rain Showers

    • 50
    • 72

    Partly Sunny

    • 48
    • 73

    Partly Sunny

Today 11 May Merrimack

Partly sunny. Near steady temperature in the upper 50s. Northwest Winds around 10 Mph.

Tonight 11 May Merrimack

Partly cloudy in the Evening, then clearing. Areas of frost after midnight. Lows in the mid 30s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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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

    50.8 °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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