Ledyard Weather Forecast

    • 41
    • 45

    Rain

    • 25
    • 57

    Rain

    • 31
    • 41

    Mostly Cloudy

    • 21
    • 46

    Mostly Sunny

    • 20
    • 32

    Partly Sunny

    • 28
    • 38

    Chance Rain/Snow

Today 18 Dec Northern New London

Sunny. Highs in the upper 40s. South Winds 5 to 10 Mph.

Tonight 18 Dec Northern New London

Mostly cloudy. Rain after midnight. Not as cool with Lows around 40. Temperature rising into the lower 50s after midnight. Southeast Winds 5 to 10 Mph, increasing to south 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of rain 90 percent.

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Ledyard Temperature Statistics

December Temperature

Groton / New London, Groton / New London Airport (7.5 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    31 °F

  • Highest 10 December, 2025

    48.9 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (7.5 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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