Thames River - Bartlett Point Weather Forecast

    • 68
    • 94

    Chance Rain Showers

    • 64
    • 91

    Mostly Sunny

    • 60
    • 88

    Mostly Cloudy

    • 57
    • 82

    Partly Sunny

    • 58
    • 81

    Partly Sunny

    • 59
    • 82

    Partly Sunny

Today 12 Jun Southern New London

Partly sunny. A slight chance of Showers this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs around 90. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 100.

Tonight 12 Jun Southern New London

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 60s. West Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph after midnight. Chance of rain 20 percent.

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Thames River - Bartlett Point Temperature Statistics

June Temperature

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

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    62.6 °F

  • Highest 7 June, 2026

    81 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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