Alton Bay Weather Forecast

    • 19
    • 34

    Snow

    • 14
    • 31

    Snow Likely

    • 21
    • 34

    Chance Snow

    • 15
    • 31

    Chance Snow

    • 9
    • 31

    Partly Sunny

    • 25
    • 33

    Snow Likely

Today 20 Feb Belknap

Cloudy. Snow likely in the afternoon. Snow accumulation of 1 to 3 Inches. Highs in the mid 30s. Light and variable Winds, becoming east around 10 Mph with Gusts up to 20 Mph in the afternoon. Chance of snow 70 percent.

Tonight 20 Feb Belknap

Snow. Additional snow accumulation of 3 to 6 Inches. Total snow accumulation 6 to 7 Inches. Lows around 20. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of snow near 100 percent.

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Alton Bay Temperature Statistics

February Temperature

Laconia, Laconia Municipal Airport (11.2 miles)

  • Lowest 1 February, 2026

    -9.9 °F

  • Average February

    19.2 °F

  • Highest 11 February, 2026

    35.1 °F

Climate (2021–Present)

Laconia, Laconia Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.1 °F
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