Rocky Neck State Park Weather Forecast

    • 60
    • 71

    Rain Showers

    • 60
    • 81

    Sunny

    • 64
    • 78

    Partly Sunny

    • 65
    • 81

    Chance Rain Showers

    • 63
    • 80

    Chance Rain Showers

    • 64
    • 83

    Mostly Sunny

Today 23 Jun Southern New London

Showers with a chance of Thunderstorms. Highs in the lower 70s. South Winds 5 to 10 Mph, becoming northwest this afternoon. Chance of rain 90 percent.

Tonight 23 Jun Southern New London

Cloudy with Showers with a chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the upper 50s. North Winds 5 to 10 Mph. Chance of rain 90 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

    66.2 °F

  • Highest 11 June, 2026

    87.1 °F

Climate (2021–2026)

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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