Niantic River Mouth Weather Forecast

    • 13
    • 37

    Snow Likely

    • 19
    • 30

    Mostly Sunny

    • 35
    • 41

    Rain

    • 35
    • 46

    Chance Rain

    • 37
    • 50

    Rain Likely

    • 35
    • 45

    Chance Rain

Today 1 Mar Southern New London

Snow likely early. Little or no snow accumulation. Near steady temperature in the mid 30s. North Winds 5 to 10 Mph. Chance of snow 60 percent.

Tonight 1 Mar Southern New London

Mostly clear. Colder with Lows around 14. North Winds 5 to 10 Mph.

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Niantic River Mouth Temperature Statistics

March Temperature

Groton / New London, Groton / New London Airport (6.2 miles)

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Climate (2021–Present)

Groton / New London, Groton / New London Airport (6.2 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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