Highland Lake Weather Forecast

    • 55
    • 79

    Mostly Sunny

    • 67
    • 90

    Chance Rain Showers

    • 43
    • 84

    Chance Rain Showers

    • 39
    • 61

    Mostly Sunny

    • 42
    • 66

    Chance Rain Showers

    • 42
    • 61

    Chance Rain Showers

    • 44
    • 63

    Chance Rain Showers

Today 18 May Merrimack

Mostly sunny. Highs in the upper 70s. South Winds around 10 Mph.

Tonight 18 May Merrimack

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

Graph Plots Open in Graphs

  • 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

    51 °F

  • Highest 5 May, 2026

    82 °F

Climate (2021–Present)

Laconia, Laconia Municipal Airport (18.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    56.9 °F
Get WillyWeather+ to remove ads