Rocky Neck State Park Weather Forecast

    • 37
    • 63

    Mostly Sunny

    • 49
    • 64

    Mostly Sunny

    • 55
    • 69

    Rain Showers

    • 49
    • 65

    Chance Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 46
    • 64

    Slight Chance Rain Showers

Today 17 Oct Southern New London

Sunny. Near steady temperature in the lower 60s. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 17 Oct Southern New London

Mostly clear. Patchy frost after midnight. Lows in the mid 30s. North Winds 5 to 10 Mph.

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Rocky Neck State Park Temperature Statistics

October Temperature

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

  • Lowest 10 October, 2025

    33.1 °F
  • Average October

    55.4 °F
  • Highest 4 October, 2025

    71.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.6 °F
  • Average 2020–2025

    53.6 °F
  • Average High 2020–2025

    61.1 °F
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