Thames River - Mamacoke Cove Weather Forecast

    • 6
    • 23

    Partly Sunny

    • 4
    • 23

    Partly Sunny

    • 0
    • 18

    Mostly Sunny

Today 28 Jan Southern New London

Partly sunny and cold. Near steady temperature in the lower 20s. West Winds 5 to 10 Mph.

Tonight 28 Jan Southern New London

Mostly cloudy with a slight chance of snow in the Evening, then partly cloudy after midnight. Lows around 8 above. Northwest Winds 5 to 10 Mph. Chance of snow 20 percent. Wind chill Values as low as 2 below after midnight.

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Thames River - Mamacoke Cove Temperature Statistics

January Temperature

Groton / New London, Groton / New London Airport (5 miles)

  • Lowest 24 January, 2026

    6.1 °F

  • Average January

    30.8 °F

  • Highest 8 January, 2026

    50 °F

Climate (2021–Present)

Groton / New London, Groton / New London Airport (5 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    60.9 °F
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