Shennecossett Beach Weather Forecast

    • 31
    • 48

    Rain Showers Likely

    • 28
    • 38

    Partly Sunny

    • 41
    • 43

    Partly Sunny

    • 44
    • 51

    Mostly Cloudy

    • 45
    • 51

    Chance Rain

    • 47
    • 55

    Chance Rain

Today 27 Mar Southern New London

Mostly cloudy. Showers likely in the morning. Highs in the upper 40s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 27 Mar Southern New London

Mostly cloudy. Cooler with Lows in the upper 20s. Northeast Winds 5 to 10 Mph.

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Shennecossett Beach Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2026

    12 °F

  • Average March

    38.2 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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