Alton Bay Weather Forecast

    • 13
    • 19

    Snow Likely

    • 26
    • 31

    Snow

    • 23
    • 36

    Slight Chance Sleet

    • 25
    • 39

    Chance Snow

    • 36
    • 44

    Chance Rain

    • 31
    • 46

    Chance Rain

Today 5 Jan Belknap

Partly sunny this Morning, then becoming cloudy. Highs around 19. Light and variable Winds.

Tonight 5 Jan Belknap

Cloudy. Snow Likely, mainly in the evening. Snow accumulation around an inch. Lows around 13. Light and variable Winds. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Bay Temperature Statistics

January Temperature

Laconia, Laconia Municipal Airport (11.2 miles)

  • Lowest 2 January, 2026

    0 °F

  • Average January

    16.2 °F

  • Highest 3 January, 2026

    26.1 °F

Climate (2021–Present)

Laconia, Laconia Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    57.1 °F
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