New London Weather Forecast

    • 39
    • 59

    Mostly Sunny

    • 38
    • 57

    Mostly Sunny

    • 37
    • 55

    Partly Sunny

    • 38
    • 54

    Slight Chance Rain Showers

    • 39
    • 55

    Chance Rain Showers

    • 41
    • 56

    Chance Rain Showers

Today 24 Oct Southern New London

Sunny. Highs in the upper 50s. West Winds 5 to 10 Mph.

Tonight 24 Oct Southern New London

Mostly clear. Lows in the upper 30s. Northwest Winds around 5 Mph.

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New London Temperature Statistics

October Temperature

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

  • Lowest 10 October, 2025

    33.1 °F

  • Average October

    54.3 °F

  • Highest 4 October, 2025

    71.1 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    61.1 °F
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