Thames River - Bartlett Cove Weather Forecast

    • 56
    • 78

    Chance Thunderstorms

    • 54
    • 77

    Mostly Cloudy

    • 50
    • 75

    Chance Rain Showers

    • 48
    • 65

    Slight Chance Rain Showers

    • 39
    • 63

    Chance Rain Showers

    • 31
    • 51

    Partly Sunny

Today 15 Apr Northern New London

Partly sunny. Patchy fog in the morning. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon. Chance of rain 40 percent.

Tonight 15 Apr Northern New London

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Thames River - Bartlett Cove Temperature Statistics

April Temperature

Groton / New London, Groton / New London Airport (6.8 miles)

  • Lowest 9 April, 2026

    28 °F

  • Average April

    44.7 °F

  • Highest 4 April, 2026

    66.9 °F

Climate (2021–Present)

Groton / New London, Groton / New London Airport (6.8 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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