Thames River - Yale Boathouse Weather Forecast

    • 55
    • 61

    Rain

    • 59
    • 67

    Rain

    • 57
    • 68

    Rain

    • 56
    • 71

    Mostly Cloudy

    • 58
    • 74

    Partly Sunny

    • 59
    • 75

    Partly Sunny

Today 26 Sep Northern New London

Rain, breezy with Highs around 60. Northeast Winds 20 to 25 Mph with Gusts up to 45 Mph. Chance of rain 90 percent.

Tonight 26 Sep Northern New London

Rain, breezy with Lows in the mid 50s. Northeast Winds 20 to 25 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

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Thames River - Yale Boathouse Temperature Statistics

September Temperature

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

  • Lowest 23 September, 2026

    48 °F

  • Average September

    66.4 °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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