Gardner Lake Airport Weather Forecast

    • 57
    • 79

    Slight Chance Rain Showers

    • 50
    • 80

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 56
    • 74

    Partly Sunny

    • 59
    • 78

    Partly Sunny

Today 18 Sep Northern New London

Partly sunny. A chance of Showers in the morning. Patchy fog in the morning. Highs in the upper 70s. North Winds around 5 Mph, becoming west in the afternoon. Chance of rain 30 percent.

Tonight 18 Sep Northern New London

Cloudy with a 40 percent chance of Showers. Patchy fog. Near steady temperature in the lower 60s. North Winds around 5 Mph.

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Gardner Lake Airport Temperature Statistics

September Temperature

Groton / New London, Groton / New London Airport (15.5 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 (15.5 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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