Stonington Harbor Weather Forecast

    • 30
    • 46

    Increasing Clouds

    • 34
    • 51

    Mostly Cloudy

    • 44
    • 51

    Cloudy

    • 47
    • 58

    Rain Showers

    • 34
    • 55

    Chance Rain Showers

    • 39
    • 53

    Mostly Sunny

Today 13 Mar Southern New London

Mostly sunny. Highs in the mid 40s. East Winds 10 to 15 Mph.

Tonight 13 Mar Southern New London

Partly cloudy this Evening, then becoming mostly cloudy. Lows around 30. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stonington Harbor Temperature Statistics

March Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 3 March, 2025

    14.8 °F

  • Average March

    36.6 °F

  • Highest 10 March, 2025

    55.9 °F

Climate (2020–Present)

Westerly, Westerly State Airport (5.6 miles)

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  • Average Low 2020–2025

    44.5 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    60.4 °F
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