Rocky Neck State Park Weather Forecast

    • 63
    • 75

    Rain Showers Likely

    • 68
    • 87

    Chance Thunderstorms

    • 65
    • 86

    Chance Rain Showers

    • 63
    • 88

    Mostly Sunny

    • 62
    • 86

    Partly Sunny

    • 60
    • 83

    Chance Rain Showers

Today 10 Jun Southern New London

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 10 Jun Southern New London

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. Southwest Winds 5 to 10 Mph. Chance of rain 60 percent.

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Rocky Neck State Park Temperature Statistics

June Temperature

Groton / New London, Groton / New London Airport (9.9 miles)

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    62.4 °F

  • Highest 7 June, 2026

    81 °F

Climate (2021–Present)

Groton / New London, Groton / New London Airport (9.9 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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