Thames River - Bartlett Point Weather Forecast

    • 59
    • 65

    Rain Likely

    • 52
    • 70

    Mostly Cloudy

    • 51
    • 65

    Chance Rain

    • 48
    • 66

    Mostly Cloudy

    • 48
    • 66

    Chance Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 49
    • 68

    Chance Rain Showers

Today 20 Sep Southern New London

Partly sunny with a 30 percent chance of Showers. Highs in the upper 60s.

Tonight 20 Sep Southern New London

Rain likely. Lows in the upper 50s. Southeast Winds 5 to 10 Mph, becoming north with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Thames River - Bartlett Point Temperature Statistics

September Temperature

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

  • Lowest 15 September, 2026

    50 °F

  • Average September

    68 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

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

    60.8 °F
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