New London Weather Forecast

    • 67
    • 80

    Chance Rain Showers

    • 67
    • 78

    Rain Showers

    • 66
    • 75

    Rain Showers

    • 63
    • 75

    Rain Showers Likely

    • 64
    • 79

    Slight Chance Thunderstorms

    • 67
    • 82

    Partly Sunny

    • 69
    • 84

    Chance Rain Showers

Today 27 Jul Southern New London

Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 27 Jul Southern New London

Mostly clear in the Evening, then becoming mostly cloudy. Humid with Lows in the upper 60s. South Winds around 5 Mph.

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New London Temperature Statistics

July Temperature

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

  • Lowest 20 July, 2026

    57 °F

  • Average July

    72.2 °F

  • Highest 3 July, 2026

    91 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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