Waterford Weather Forecast

    • 53
    • 83

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

    • 50
    • 70

    Partly Sunny

    • 59
    • 73

    Partly Sunny

    • 61
    • 79

    Partly Sunny

    • 58
    • 78

    Partly Sunny

Today 19 Sep Southern New London

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 19 Sep Southern New London

Mostly clear. Less humid with Lows in the lower 50s. North Winds 5 to 10 Mph.

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Waterford Temperature Statistics

September Temperature

Groton / New London, Groton / New London Airport (6.2 miles)

  • Lowest 9 September, 2025

    48 °F

  • Average September

    61.9 °F

  • Highest 6 September, 2025

    75.9 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (6.2 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.1 °F
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