Shennecossett Beach Weather Forecast

    • 34
    • 45

    Increasing Clouds

    • 37
    • 46

    Mostly Cloudy

    • 47
    • 49

    Cloudy

    • 48
    • 56

    Rain Showers

    • 37
    • 53

    Chance Rain Showers

    • 41
    • 51

    Mostly Sunny

    • 44
    • 54

    Mostly Cloudy

Today 13 Mar Southern New London

Mostly sunny. Highs in the mid 40s. East Winds 10 to 15 Mph.

Tonight 13 Mar Southern New London

Partly cloudy this Evening, then becoming mostly cloudy. Lows around 30. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph this evening.

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Shennecossett Beach Temperature Statistics

March Temperature

Groton / New London, Groton / New London Airport (0.6 miles)

  • Lowest 3 March, 2025

    14.8 °F

  • Average March

    37 °F

  • Highest 10 March, 2025

    55.9 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (0.6 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    60.9 °F
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