Highland Lake Weather Forecast

    • 66
    • 90

    Chance Thunderstorms

    • 45
    • 85

    Slight Chance Thunderstorms

    • 39
    • 62

    Partly Sunny

    • 44
    • 69

    Chance Rain Showers

    • 42
    • 62

    Rain Showers Likely

    • 43
    • 59

    Chance Rain Showers

    • 46
    • 66

    Slight Chance Rain Showers

Today 19 May Merrimack

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds and small hail. Hot with Highs around 90. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 19 May Merrimack

Mostly clear. A chance of Showers and Thunderstorms this evening. Some Thunderstorms may produce gusty Winds and small hail this evening. Lows in the upper 60s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

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

    52.2 °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

    48.1 °F

  • Average High 2021–2026

    56.9 °F
Get WillyWeather+ to remove ads