Thames River - Bartlett Point Weather Forecast

    • 60
    • 82

    Increasing Clouds

    • 70
    • 81

    Partly Sunny

    • 62
    • 85

    Chance Rain Showers

    • 54
    • 77

    Mostly Sunny

    • 59
    • 76

    Partly Sunny

    • 62
    • 79

    Partly Sunny

Today 8 Sep Southern New London

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 8 Sep Southern New London

Partly cloudy. Lows in the lower 60s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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Thames River - Bartlett Point Temperature Statistics

September Temperature

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

  • Lowest 6 September, 2026

    57 °F

  • Average September

    68.7 °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

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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