New London Weather Forecast

    • 62
    • 79

    Becoming Sunny

    • 68
    • 82

    Mostly Sunny

    • 73
    • 85

    Mostly Sunny

    • 72
    • 89

    Slight Chance Rain Showers

    • 69
    • 86

    Chance Rain Showers

    • 68
    • 82

    Chance Rain Showers

Today 22 Jul Southern New London

Sunny. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 22 Jul Southern New London

Partly cloudy. Lows in the upper 50s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New London Temperature Statistics

July Temperature

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

  • Lowest 5 July, 2025

    63 °F

  • Average July

    74.8 °F

  • Highest 8 July, 2025

    86 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.2 °F
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