Thames River - Trading Cove Weather Forecast

    • 26
    • 59

    Rain Showers Likely

    • 30
    • 41

    Partly Sunny

    • 22
    • 45

    Partly Sunny

    • 21
    • 35

    Partly Sunny

    • 28
    • 40

    Rain/Snow Likely

    • 24
    • 42

    Partly Sunny

Today 19 Dec Northern New London

Showers with a slight chance of Thunderstorms. Windy with Highs in the upper 50s. South Winds 20 to 30 Mph, becoming southwest 15 to 25 Mph this afternoon. Gusts up to 50 Mph. Chance of rain near 100 percent.

Tonight 19 Dec Northern New London

Mostly cloudy with a chance of rain Showers in the Evening, then mostly clear after midnight. Cooler with Lows in the mid 20s. West Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 30 percent.

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Thames River - Trading Cove Temperature Statistics

December Temperature

Groton / New London, Groton / New London Airport (11.8 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 (11.8 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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