Ocean Beach Weather Forecast

    • 37
    • 42

    Increasing Clouds

    • 26
    • 44

    Partly Sunny

    • 30
    • 35

    Partly Sunny

    • 36
    • 42

    Chance Rain

    • 31
    • 41

    Partly Sunny

    • 40
    • 44

    Chance Rain

Today 20 Dec Southern New London

Mostly sunny. Cooler with Highs in the lower 40s. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the morning.

Tonight 20 Dec Southern New London

Mostly cloudy. Lows in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Ocean Beach Temperature Statistics

December Temperature

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

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    31.5 °F

  • Highest 10 December, 2025

    48.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61 °F
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