Thames River - Poquetanuck Cove Weather Forecast

    • 34
    • 47

    Increasing Clouds

    • 37
    • 55

    Mostly Cloudy

    • 48
    • 54

    Cloudy

    • 49
    • 60

    Rain Showers

    • 34
    • 56

    Chance Rain Showers

    • 37
    • 55

    Mostly Sunny

Today 13 Mar Northern New London

Partly sunny. A slight chance of rain and snow this morning. Highs in the upper 40s. East Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of precipitation 20 percent.

Tonight 13 Mar Northern New London

Mostly cloudy. Lows in the lower 30s. Northeast Winds around 5 Mph.

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Thames River - Poquetanuck Cove Temperature Statistics

March Temperature

Groton / New London, Groton / New London Airport (9.3 miles)

  • Lowest 3 March, 2025

    14.8 °F

  • Average March

    36.5 °F

  • Highest 10 March, 2025

    55.9 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (9.3 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    60.9 °F
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