Rocky Neck State Park Weather Forecast

    • 56
    • 69

    Mostly Cloudy

    • 58
    • 71

    Mostly Cloudy

    • 61
    • 72

    Slight Chance Rain Showers

    • 66
    • 77

    Slight Chance Thunderstorms

    • 65
    • 84

    Chance Rain Showers

    • 62
    • 81

    Mostly Sunny

Today 15 Jun Southern New London

Mostly cloudy this Morning, then becoming partly sunny. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 15 Jun Southern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. East Winds around 5 Mph.

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Rocky Neck State Park Temperature Statistics

June Temperature

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

  • Lowest 3 June, 2025

    47.6 °F

  • Average June

    65 °F

  • Highest 5 June, 2025

    83.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.2 °F
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