Alton Bay SPB Weather Forecast

    • 25
    • 44

    Decreasing Clouds

    • 30
    • 40

    Mostly Cloudy

    • 27
    • 42

    Partly Sunny

    • 36
    • 43

    Rain Showers Likely

    • 36
    • 52

    Chance Rain Showers

    • 30
    • 43

    Partly Sunny

Today 22 Nov Belknap

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 40s. Northwest Winds around 10 Mph.

Tonight 22 Nov Belknap

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 20s. Northwest Winds around 10 Mph in the Evening, becoming light and variable. Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Bay SPB Temperature Statistics

November Temperature

Laconia, Laconia Municipal Airport (10.6 miles)

  • Lowest 19 November, 2025

    21.9 °F

  • Average November

    38.6 °F

  • Highest 8 November, 2025

    57 °F

Climate (2020–Present)

Laconia, Laconia Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    57.3 °F
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