Millstone Point Weather Forecast

    • 65
    • 74

    Becoming Sunny

    • 62
    • 77

    Mostly Sunny

    • 63
    • 77

    Mostly Sunny

    • 66
    • 75

    Mostly Sunny

    • 68
    • 75

    Rain Showers Likely

    • 67
    • 76

    Slight Chance Thunderstorms

Today 23 Aug Southern New London

Patchy fog this morning. Showers likely this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds and small hail this afternoon. Highs in the upper 70s. East Winds around 5 Mph, becoming south with Gusts up to 20 Mph this afternoon. Chance of rain 70 percent.

Tonight 23 Aug Southern New London

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 20 percent.

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Millstone Point Temperature Statistics

August Temperature

Groton / New London, Groton / New London Airport (6.2 miles)

  • Lowest 5 August, 2026

    59 °F

  • Average August

    73 °F

  • Highest 7 August, 2026

    86 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (6.2 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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