Squam Lake Weather Forecast

    • 48
    • 60

    Rain

    • 49
    • 59

    Rain Showers Likely

    • 41
    • 55

    Rain Showers

    • 40
    • 52

    Slight Chance Rain Showers

    • 37
    • 51

    Partly Sunny

    • 36
    • 49

    Partly Sunny

    • 36
    • 48

    Partly Sunny

Today 20 Oct Belknap

Rain likely with isolated Thunderstorms. Highs around 60. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 20 Oct Belknap

Mostly cloudy. A chance of rain with isolated Thunderstorms this Evening, then Showers likely after midnight. Lows in the mid 40s. Southwest Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Squam Lake Temperature Statistics

October Temperature

Plymouth Municipal Airport (11.2 miles)

  • Lowest 10 October, 2025

    25.5 °F

  • Average October

    49.9 °F

  • Highest 6 October, 2025

    84.6 °F

Climate (2020–Present)

Plymouth Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    57.2 °F
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