Alton Bay Weather Forecast

    • 36
    • 56

    Rain Showers

    • 23
    • 44

    Mostly Sunny

    • 31
    • 43

    Wintry Mix

    • 45
    • 57

    Rain Showers

    • 33
    • 58

    Mostly Cloudy

    • 33
    • 47

    Rain/Snow Likely

Today 31 Mar Belknap

Cloudy with a 40 percent chance of rain Showers. Patchy fog. Warmer with Highs in the upper 50s. South Winds around 10 Mph. Gusts up to 25 Mph this afternoon.

Tonight 31 Mar Belknap

Patchy fog this evening. Showers. Lows in the mid 30s. Southwest Winds around 10 Mph, becoming west after midnight. Gusts up to 25 Mph. Chance of rain 80 percent.

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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

    34.8 °F

  • Highest 16 March, 2025

    64.9 °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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