Groton Long Point Main Beach Weather Forecast

    • 46
    • 63

    Rain Showers Likely

    • 44
    • 55

    Rain Showers Likely

    • 46
    • 57

    Mostly Sunny

    • 48
    • 58

    Rain Showers

    • 48
    • 59

    Rain Showers Likely

    • 49
    • 62

    Chance Rain Showers

Today 10 May Southern New London

Cloudy in the Morning, then becoming partly sunny. Areas of fog in the morning. Highs around 70. South Winds 5 to 10 Mph.

Tonight 10 May Southern New London

Mostly cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the upper 40s. Southwest Winds around 5 Mph, becoming north after midnight. Chance of rain 70 percent.

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Groton Long Point Main Beach Temperature Statistics

May Temperature

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

  • Lowest 4 May, 2026

    37 °F

  • Average May

    51.8 °F

  • Highest 7 May, 2026

    64 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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