Alton Bay Weather Forecast

    • 23
    • 40

    Mostly Cloudy

    • 33
    • 50

    Mostly Cloudy

    • 45
    • 55

    Chance Rain

    • 48
    • 62

    Rain

    • 30
    • 55

    Chance Rain Showers

    • 35
    • 54

    Partly Sunny

Today 13 Mar Belknap

Mostly cloudy. Highs in the lower 40s. Light and variable Winds, becoming southeast around 10 Mph this afternoon.

Tonight 13 Mar Belknap

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Bay Temperature Statistics

March Temperature

Laconia, Laconia Municipal Airport (11.2 miles)

  • Lowest 3 March, 2025

    3.9 °F

  • Average March

    28.6 °F

  • Highest 6 March, 2025

    53.1 °F

Climate (2020–Present)

Laconia, Laconia Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    57.3 °F
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