Laconia Weather Forecast

    • 26
    • 42

    Mostly Sunny

    • 47
    • 53

    Rain Showers

    • 45
    • 58

    Chance Rain Showers

    • 57
    • 61

    Chance Rain Showers

    • 60
    • 67

    Chance Rain Showers

    • 48
    • 66

    Partly Sunny

    • 35
    • 61

    Mostly Cloudy

Today 21 Dec Harrison

Colder. Mostly sunny. Highs in the lower 40s. North Winds up to 5 Mph.

Tonight 21 Dec Harrison

Mostly clear. Lows in the mid 20s. East Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Laconia Temperature Statistics

December Temperature

Fort Knox (11.2 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    33.4 °F

  • Highest 18 December, 2025

    57.6 °F

Climate (2020–Present)

Fort Knox (11.2 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    66.9 °F
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