Groton Long Point South Beach Weather Forecast

    • 70
    • 79

    Mostly Sunny

    • 67
    • 80

    Slight Chance Thunderstorms

    • 66
    • 78

    Partly Sunny

    • 66
    • 77

    Chance Rain Showers

    • 60
    • 77

    Mostly Sunny

    • 60
    • 75

    Partly Sunny

Today 10 Aug Southern New London

Mostly sunny. Near steady temperature in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 10 Aug Southern New London

Mostly cloudy in the Evening, then partly cloudy with a slight chance of Showers with isolated Thunderstorms after midnight. Humid with Lows around 70. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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Groton Long Point South Beach Temperature Statistics

August Temperature

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

  • Lowest 5 August, 2026

    59 °F

  • Average August

    74.3 °F

  • Highest 7 August, 2026

    86 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    60.8 °F
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