Groton Weather Forecast

    • 66
    • 71

    Slight Chance Rain Showers

    • 64
    • 71

    Chance Rain Showers

    • 65
    • 73

    Rain Showers Likely

    • 59
    • 70

    Rain Showers Likely

    • 55
    • 68

    Chance Rain Showers

    • 53
    • 67

    Chance Rain Showers

Today 27 Sep Southern New London

Areas of fog this morning. Mostly cloudy with a 30 percent chance of Showers. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 27 Sep Southern New London

Mostly cloudy with a 30 percent chance of Showers. Lows in the mid 60s. South Winds 5 to 10 Mph.

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Groton Temperature Statistics

September Temperature

Groton / New London, Groton / New London Airport (1.9 miles)

  • Lowest 22 September, 2020

    39 °F
  • Average September

    64.5 °F
  • Highest 3 September, 2020

    86 °F

Climate (2010–Present)

Groton / New London, Groton / New London Airport (1.9 miles)

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  • Average Low 2010–Present

    45.6 °F
  • Average 2010–Present

    52.9 °F
  • Average High 2010–Present

    59.9 °F
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