Ocean Beach Weather Forecast

    • 52
    • 68

    Mostly Sunny

    • 55
    • 63

    Chance Rain Showers

    • 48
    • 67

    Mostly Sunny

    • 46
    • 60

    Sunny

    • 55
    • 63

    Mostly Sunny

    • 53
    • 68

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

Today 3 Oct Southern New London

Sunny. Highs in the mid 60s.

Tonight 3 Oct Southern New London

Mostly clear. Lows in the upper 40s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ocean Beach Temperature Statistics

October Temperature

Groton / New London, Groton / New London Airport (2.5 miles)

  • Lowest 1 October, 2026

    55 °F

  • Average October

    64.2 °F

  • Highest 1 October, 2026

    71.1 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (2.5 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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