Highland Lake Weather Forecast

    • 43
    • 66

    Sunny

    • 50
    • 69

    Partly Sunny

    • 57
    • 80

    Partly Sunny

    • 58
    • 75

    Chance Rain Showers

    • 51
    • 74

    Partly Sunny

    • 50
    • 69

    Chance Rain Showers

Today 14 Sep Merrimack

Mostly sunny. Highs in the upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 14 Sep Merrimack

Clear. Patchy fog after midnight. Lows in the lower 40s. Northwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Lake Temperature Statistics

September Temperature

Laconia, Laconia Municipal Airport (18.6 miles)

  • Lowest 12 September, 2026

    45 °F

  • Average September

    64.5 °F

  • Highest 10 September, 2026

    81 °F

Climate (2021–2026)

Laconia, Laconia Municipal Airport (18.6 miles)

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

  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads