New London Weather Forecast

    • 28
    • 31

    Slight Chance Snow

    • 30
    • 47

    Rain Likely

    • 20
    • 36

    Partly Sunny

    • 24
    • 37

    Chance Snow

    • 27
    • 41

    Chance Snow

    • 15
    • 36

    Partly Sunny

    • 18
    • 30

    Partly Sunny

Today 9 Dec Southern New London

Partly sunny. Highs in the lower 30s. Southwest Winds 5 to 10 Mph.

Tonight 9 Dec Southern New London

Mostly cloudy. A slight chance of rain and snow this Evening, then a slight chance of rain after midnight. Lows in the upper 20s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 20 percent.

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New London Temperature Statistics

December Temperature

Groton / New London, Groton / New London Airport (3.1 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    32.5 °F

  • Highest 2 December, 2025

    48 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (3.1 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61 °F
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