Norwich Weather Forecast

    • 69
    • 87

    Increasing Clouds

    • 67
    • 88

    Chance Thunderstorms

    • 61
    • 84

    Chance Rain Showers

    • 61
    • 84

    Mostly Sunny

    • 65
    • 84

    Mostly Sunny

    • 69
    • 89

    Mostly Sunny

Today 9 Jul Northern New London

Partly sunny. Patchy fog this morning. A slight chance of Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the mid 80s. Southwest Winds 10 to 15 Mph. Chance of precipitation 20 percent.

Tonight 9 Jul Northern New London

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Patchy fog after midnight. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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Norwich Temperature Statistics

July Temperature

Groton / New London, Groton / New London Airport (13 miles)

  • Lowest 6 July, 2026

    62.1 °F

  • Average July

    75.5 °F

  • Highest 3 July, 2026

    91 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (13 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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