Thames River - Poquetanuck Cove Weather Forecast

    • 50
    • 80

    Becoming Sunny

    • 46
    • 72

    Mostly Sunny

    • 46
    • 70

    Partly Sunny

    • 56
    • 73

    Partly Sunny

    • 58
    • 79

    Chance Rain Showers

    • 52
    • 76

    Slight Chance Rain Showers

Today 19 Sep Northern New London

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 19 Sep Northern New London

Clear. Less humid with Lows around 50. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thames River - Poquetanuck Cove Temperature Statistics

September Temperature

Groton / New London, Groton / New London Airport (9.3 miles)

  • Lowest 9 September, 2025

    48 °F

  • Average September

    62 °F

  • Highest 6 September, 2025

    75.9 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (9.3 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.1 °F
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