New London Weather Forecast

    • 10
    • 30

    Snow/Sleet Likely

    • 6
    • 23

    Partly Sunny

    • 9
    • 23

    Mostly Cloudy

    • 5
    • 21

    Partly Sunny

    • 5
    • 19

    Partly Sunny

    • 7
    • 24

    Partly Sunny

Today 26 Jan Southern New London

Cloudy. A chance of light snow with a slight chance of freezing rain in the Morning, then a chance of light snow in the afternoon. Highs in the lower 30s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 50 percent.

Tonight 26 Jan Southern New London

Partly cloudy with a slight chance of light snow in the Evening, then mostly clear after midnight. Lows around 11. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 20 percent. Wind chill Values as low as 3 below.

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New London Temperature Statistics

January Temperature

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

  • Lowest 21 January, 2026

    10 °F

  • Average January

    32.8 °F

  • Highest 8 January, 2026

    50 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    60.9 °F
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