Norwich Weather Forecast

    • 34
    • 54

    Slight Chance Rain

    • 29
    • 51

    Rain Showers

    • 34
    • 50

    Mostly Sunny

    • 39
    • 56

    Chance Rain

    • 36
    • 55

    Chance Rain

    • 42
    • 50

    Chance Rain

    • 37
    • 57

    Chance Rain Showers

Today 25 Mar Northern New London

Mostly sunny. Highs in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 25 Mar Northern New London

Partly cloudy this Evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the mid 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain 20 percent.

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Norwich Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2025

    14.8 °F

  • Average March

    40.5 °F

  • Highest 18 March, 2025

    58.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    60.9 °F
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