Rocky Neck State Park Weather Forecast

    • 60
    • 81

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 63
    • 79

    Partly Sunny

    • 66
    • 81

    Partly Sunny

    • 66
    • 82

    Chance Rain Showers

Today 23 Jul Southern New London

Sunny. Highs around 80. North Winds around 5 Mph, becoming southwest this afternoon.

Tonight 23 Jul Southern New London

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph in the Evening, becoming light and variable.

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Rocky Neck State Park Temperature Statistics

July Temperature

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

  • Lowest 20 July, 2026

    57 °F

  • Average July

    73 °F

  • Highest 3 July, 2026

    91 °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

    60.8 °F
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