Thames River - Bartlett Cove Weather Forecast

    • 51
    • 73

    Chance Rain Showers

    • 45
    • 68

    Mostly Sunny

    • 50
    • 74

    Slight Chance Rain Showers

    • 53
    • 76

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 64
    • 88

    Partly Sunny

Today 31 May Northern New London

Mostly cloudy. Not as cool with Highs around 70. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 31 May Northern New London

Cloudy with a 40 percent chance of Showers. Lows in the lower 50s. West Winds around 5 Mph.

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Thames River - Bartlett Cove Temperature Statistics

May Temperature

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

  • Lowest 4 May, 2026

    37 °F

  • Average May

    56.9 °F

  • Highest 20 May, 2026

    84 °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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