Squam Lake Weather Forecast

    • 69
    • 87

    Isolated Thunderstorms

    • 62
    • 78

    Rain Showers

    • 54
    • 70

    Mostly Sunny

    • 61
    • 74

    Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

    • 55
    • 73

    Mostly Sunny

    • 60
    • 75

    Slight Chance Thunderstorms

Today 16 Jul Belknap

Mostly sunny. Hot with Highs in the lower 90s. Light and variable Winds.

Tonight 16 Jul Belknap

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 70s. Light and variable Winds. Heat index Values in the lower 90s early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Squam Lake Temperature Statistics

July Temperature

Plymouth Municipal Airport (11.2 miles)

  • Lowest 5 July, 2025

    48.4 °F

  • Average July

    71.3 °F

  • Highest 6 July, 2025

    91.4 °F

Climate (2020–Present)

Plymouth Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.8 °F

  • Average High 2020–2025

    57.1 °F
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