New London Weather Forecast

    • 27
    • 48

    Rain Showers Likely

    • 35
    • 43

    Partly Sunny

    • 28
    • 48

    Partly Sunny

    • 36
    • 45

    Rain Showers

    • 30
    • 55

    Rain Showers

    • 21
    • 40

    Mostly Sunny

Today 12 Mar Southern New London

Rain likely this Morning, then rain and snow this afternoon. Patchy fog this morning. Little or no snow accumulation. Highs in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 80 percent.

Tonight 12 Mar Southern New London

Mostly cloudy with snow in the Evening, then clear after midnight. Little or no snow accumulation. Cooler with Lows in the upper 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 80 percent.

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New London Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2026

    12 °F

  • Average March

    35.1 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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