Alton Bay SPB Weather Forecast

    • 39
    • 56

    Rain

    • 54
    • 64

    Chance Rain Showers

    • 55
    • 75

    Chance Rain Showers

    • 52
    • 72

    Chance Rain Showers

    • 52
    • 68

    Chance Rain Showers

    • 48
    • 71

    Partly Sunny

Today 12 Apr Belknap

Partly sunny. A slight chance of rain Showers this afternoon. Highs in the mid 50s. Light and variable Winds. Chance of rain 20 percent.

Tonight 12 Apr Belknap

A chance of rain in the Evening, then rain after midnight. Lows in the upper 30s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Bay SPB Temperature Statistics

April Temperature

Laconia, Laconia Municipal Airport (10.6 miles)

  • Lowest 9 April, 2026

    21 °F

  • Average April

    40.4 °F

  • Highest 10 April, 2026

    72 °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

    56.9 °F
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