Groton Long Point Main Beach Weather Forecast

    • 44
    • 51

    Rain Showers Likely

    • 40
    • 55

    Chance Rain Showers

    • 43
    • 47

    Chance Rain Showers

    • 44
    • 57

    Rain Showers

    • 31
    • 50

    Mostly Sunny

    • 37
    • 43

    Chance Rain

    • 48
    • 54

    Chance Rain Showers

Today 28 Mar Southern New London

Partly sunny. Highs in the upper 50s. West Winds 10 to 15 Mph.

Tonight 28 Mar Southern New London

A chance of Showers this Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 40s. South Winds 5 to 10 Mph. Chance of rain 80 percent.

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Groton Long Point Main Beach Temperature Statistics

March Temperature

Groton / New London, Groton / New London Airport (1.9 miles)

  • Lowest 3 March, 2025

    14.8 °F

  • Average March

    40.9 °F

  • Highest 18 March, 2025

    58.6 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (1.9 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61 °F
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