Groton Weather Forecast

    • 45
    • 51

    Rain Showers Likely

    • 42
    • 58

    Rain Showers Likely

    • 43
    • 54

    Partly Sunny

    • 42
    • 56

    Mostly Sunny

    • 47
    • 54

    Chance Rain Showers

    • 38
    • 55

    Chance Rain Showers

Today 19 Apr Southern New London

Mostly cloudy. Highs in the mid 50s. Northeast Winds 5 to 10 Mph, becoming southeast with Gusts up to 20 Mph this afternoon.

Tonight 19 Apr Southern New London

Mostly cloudy. A slight chance of Showers in the Evening, then Showers likely after midnight. Patchy fog after midnight. Lows in the mid 40s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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Groton Temperature Statistics

April Temperature

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

  • Lowest 8 April, 2024

    31.7 °F

  • Average April

    48.7 °F

  • Highest 16 April, 2024

    66.9 °F

Climate (2019–Present)

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

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  • Average Low 2019–2024

    45.8 °F

  • Average 2019–2024

    53.5 °F

  • Average High 2019–2024

    60.9 °F
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