Thames River - Trading Cove Weather Forecast

    • 54
    • 67

    Rain

    • 54
    • 61

    Rain

    • 59
    • 67

    Rain

    • 57
    • 67

    Chance Rain Showers

    • 56
    • 70

    Partly Sunny

    • 57
    • 74

    Partly Sunny

    • 59
    • 75

    Partly Sunny

Today 25 Sep Northern New London

Mostly sunny. Highs in the mid 70s.

Tonight 25 Sep Northern New London

Rain, breezy with Lows in the lower 50s. Northeast Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 90 percent.

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Thames River - Trading Cove Temperature Statistics

September Temperature

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

  • Lowest 23 September, 2026

    48 °F

  • Average September

    66.4 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

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