Thames River - Poquetanuck Cove Weather Forecast

    • 36
    • 53

    Rain Likely

    • 27
    • 44

    Partly Sunny

    • 31
    • 45

    Partly Sunny

    • 32
    • 51

    Slight Chance Rain

Today 22 Mar Northern New London

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Highs in the lower 50s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 22 Mar Northern New London

Rain. Lows in the mid 30s. West Winds around 5 Mph, becoming north with Gusts up to 20 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thames River - Poquetanuck Cove Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2026

    12 °F

  • Average March

    37.3 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

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