Thames River - Bartlett Point Weather Forecast

    • 57
    • 73

    Increasing Clouds

    • 64
    • 76

    Mostly Cloudy

    • 60
    • 80

    Chance Rain Showers

    • 49
    • 71

    Partly Sunny

    • 50
    • 65

    Chance Rain Showers

    • 43
    • 65

    Mostly Sunny

Today 30 Sep Southern New London

Patchy fog in the morning. Mostly sunny. Highs in the lower 70s. Northwest Winds around 5 Mph, becoming southwest in the afternoon.

Tonight 30 Sep Southern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. Southwest Winds around 5 Mph.

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Thames River - Bartlett Point Temperature Statistics

September Temperature

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

  • Lowest 24 September, 2026

    46.9 °F

  • Average September

    65.1 °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

    60.7 °F
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