East Lyme Weather Forecast

    • 18
    • 26

    Mostly Cloudy

    • 24
    • 33

    Partly Sunny

    • 25
    • 43

    Partly Sunny

    • 41
    • 52

    Rain

    • 22
    • 54

    Slight Chance Rain/Snow

    • 30
    • 40

    Slight Chance Rain

    • 25
    • 45

    Partly Sunny

Today 15 Dec Southern New London

Mostly sunny and cold. Near steady temperature in the mid 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 15 Dec Southern New London

Mostly cloudy. Lows around 19. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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East Lyme Temperature Statistics

December Temperature

Groton / New London, Groton / New London Airport (9.3 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    32.2 °F

  • Highest 10 December, 2025

    48.9 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (9.3 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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