Squam Lake Weather Forecast

    • 8
    • 19

    Slight Chance Snow Showers

    • 19
    • 25

    Chance Snow

    • 17
    • 35

    Partly Sunny

    • -2
    • 23

    Partly Sunny

    • -4
    • 6

    Cold

    • 0
    • 10

    Chance Snow

Today 20 Jan Belknap

Partly sunny. Highs around 19. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 4 below.

Tonight 20 Jan Belknap

Mostly clear. Lows around 6 above. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 6 below after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Squam Lake Temperature Statistics

January Temperature

Plymouth Municipal Airport (11.2 miles)

  • Lowest 2 January, 2026

    -6 °F

  • Average January

    24.4 °F

  • Highest 10 January, 2026

    45 °F

Climate (2021–Present)

Plymouth Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    57.1 °F
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