Rocky Neck State Park Weather Forecast

    • 67
    • 81

    Partly Sunny

    • 70
    • 85

    Partly Sunny

    • 70
    • 84

    Chance Rain Showers

    • 68
    • 83

    Chance Thunderstorms

    • 67
    • 83

    Slight Chance Thunderstorms

    • 66
    • 80

    Chance Rain Showers

Today 5 Jul Southern New London

Mostly sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 5 Jul Southern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. Southwest Winds 5 to 10 Mph.

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Rocky Neck State Park Temperature Statistics

July Temperature

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

  • Lowest 3 July, 2025

    64 °F

  • Average July

    74.8 °F

  • Highest 3 July, 2025

    82 °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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