Alton Bay Weather Forecast

    • 46
    • 62

    Mostly Cloudy

    • 39
    • 62

    Mostly Sunny

    • 38
    • 55

    Sunny

    • 47
    • 63

    Mostly Sunny

    • 46
    • 67

    Mostly Sunny

    • 44
    • 63

    Mostly Sunny

    • 39
    • 58

    Mostly Sunny

Today 4 Oct Belknap

Mostly cloudy. Highs in the lower 60s. Southeast Winds around 10 Mph.

Tonight 4 Oct Belknap

Partly cloudy. Patchy fog after midnight. Lows in the mid 40s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alton Bay Temperature Statistics

October Temperature

Laconia, Laconia Municipal Airport (11.2 miles)

  • Lowest 1 October, 2026

    57 °F

  • Average October

    65.9 °F

  • Highest 2 October, 2026

    78.1 °F

Climate (2021–2026)

Laconia, Laconia Municipal Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads