Great Gains Memorial Forest Weather Forecast

    • 57
    • 69

    Rain Showers

    • 43
    • 66

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 58
    • 78

    Partly Sunny

    • 58
    • 77

    Chance Rain Showers

    • 52
    • 73

    Slight Chance Rain Showers

Today 13 Sep Merrimack

Cloudy. Patchy fog in the morning. Showers, mainly in the morning. Highs in the upper 60s. Light and variable Winds. Chance of rain 90 percent.

Tonight 13 Sep Merrimack

Mostly cloudy. A chance of Showers after midnight. Lows in the upper 50s. Light and variable Winds, becoming west around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Gains Memorial Forest Temperature Statistics

September Temperature

Laconia, Laconia Municipal Airport (16.8 miles)

  • Lowest 7 September, 2026

    51.1 °F

  • Average September

    65.3 °F

  • Highest 10 September, 2026

    81 °F

Climate (2021–2026)

Laconia, Laconia Municipal Airport (16.8 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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