Thames River - Mamacoke Cove Weather Forecast

    • 37
    • 58

    Rain Showers

    • 23
    • 43

    Mostly Sunny

    • 26
    • 38

    Partly Sunny

Today 16 Mar Southern New London

Showers with a chance of Thunderstorms. Areas of fog this morning. Areas of fog this afternoon. Highs in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent.

Tonight 16 Mar Southern New London

Showers with a chance of Thunderstorms in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Areas of fog. Breezy with Lows in the upper 30s. South Winds 15 to 25 Mph with Gusts up to 50 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thames River - Mamacoke Cove Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2026

    12 °F

  • Average March

    37.2 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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