Niantic River Mouth Weather Forecast

    • 27
    • 35

    Mostly Sunny

    • 26
    • 41

    Partly Sunny

    • 35
    • 43

    Mostly Cloudy

    • 35
    • 48

    Slight Chance Rain Showers

    • 33
    • 49

    Partly Sunny

    • 31
    • 48

    Chance Rain Showers

Today 22 Feb Southern New London

Sunny. Highs in the mid 30s. Northwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph in the afternoon.

Tonight 22 Feb Southern New London

Mostly clear. Lows around 16. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Niantic River Mouth Temperature Statistics

February Temperature

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

  • Lowest 2 February, 2025

    11.8 °F

  • Average February

    30.2 °F

  • Highest 16 February, 2025

    50.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    60.9 °F
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