Groton Long Point Weather Forecast

    • 51
    • 58

    Mostly Cloudy

    • 50
    • 57

    Rain Showers

    • 50
    • 58

    Rain Showers Likely

    • 54
    • 67

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 53
    • 68

    Mostly Cloudy

Today 13 May Southern New London

Mostly cloudy. Highs in the lower 60s. South Winds 15 to 20 Mph. Gusts up to 25 Mph, increasing to 35 Mph in the afternoon.

Tonight 13 May Southern New London

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the lower 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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Groton Long Point Temperature Statistics

May Temperature

Groton / New London, Groton / New London Airport (2.5 miles)

  • Lowest 4 May, 2026

    37 °F

  • Average May

    52.1 °F

  • Highest 7 May, 2026

    64 °F

Climate (2021–Present)

Groton / New London, Groton / New London Airport (2.5 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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