Alton Bay SPB Weather Forecast

    • 4
    • 26

    Increasing Clouds

    • 20
    • 34

    Snow

    • 11
    • 35

    Chance Snow

    • 17
    • 36

    Partly Sunny

    • 22
    • 45

    Mostly Cloudy

    • 5
    • 34

    Partly Sunny

    • 5
    • 22

    Chance Snow

Today 24 Feb Belknap

Mostly sunny. Highs in the mid 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 24 Feb Belknap

Mostly clear in the Evening, then becoming partly cloudy. Lows around 4 above. West Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Bay SPB Temperature Statistics

February Temperature

Laconia, Laconia Municipal Airport (10.6 miles)

  • Lowest 1 February, 2026

    -9.9 °F

  • Average February

    20.9 °F

  • Highest 18 February, 2026

    41 °F

Climate (2021–Present)

Laconia, Laconia Municipal Airport (10.6 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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