Squam Lake Weather Forecast

    • 38
    • 64

    Increasing Clouds

    • 43
    • 59

    Rain Showers

    • 40
    • 48

    Rain Showers

    • 34
    • 49

    Slight Chance Rain Showers

    • 34
    • 51

    Slight Chance Rain Showers

    • 35
    • 51

    Slight Chance Rain Showers

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    • 53

    Slight Chance Rain Showers

Today 28 Apr Belknap

Mostly sunny. Highs in the lower 60s. Southeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 28 Apr Belknap

Mostly cloudy. Lows in the upper 30s. Southeast Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Squam Lake Temperature Statistics

April Temperature

Plymouth Municipal Airport (11.2 miles)

  • Lowest 8 April, 2026

    20.8 °F

  • Average April

    44.5 °F

  • Highest 17 April, 2026

    73.9 °F

Climate (2021–Present)

Plymouth Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    57 °F
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