Squam Lake Weather Forecast

    • 50
    • 66

    Rain

    • 43
    • 65

    Rain

    • 41
    • 49

    Rain Showers Likely

    • 42
    • 65

    Mostly Sunny

    • 55
    • 73

    Chance Rain Showers

    • 38
    • 65

    Slight Chance Rain Showers

    • 42
    • 61

    Partly Sunny

Today 25 Apr Belknap

Partly sunny late this Morning, then mostly cloudy with isolated Showers this afternoon. Highs in the upper 60s. Light and variable Winds, becoming southeast 10 to 15 Mph with Gusts up to 25 Mph this afternoon. Chance of rain 20 percent.

Tonight 25 Apr Belknap

Cloudy. A slight chance of rain this Evening, then a chance of rain after midnight. Patchy fog after midnight. Lows around 50. East Winds around 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Squam Lake Temperature Statistics

April Temperature

Plymouth Municipal Airport (11.2 miles)

  • Lowest 10 April, 2025

    19.2 °F

  • Average April

    42.4 °F

  • Highest 19 April, 2025

    73.4 °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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