Stonington Harbor Weather Forecast

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    Rain

    • 24
    • 51

    Rain

    • 23
    • 31

    Mostly Cloudy

    • 20
    • 35

    Slight Chance Snow

    • 17
    • 29

    Slight Chance Snow

    • 21
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    Partly Sunny

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    Slight Chance Snow

Today 28 Dec Southern New London

Partly sunny. Near steady temperature in the lower 30s. West Winds 5 to 10 Mph.

Tonight 28 Dec Southern New London

Rain with freezing rain likely in the Evening, then rain after midnight. Ice accumulation around a trace. Not as cool with Lows in the lower 30s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stonington Harbor Temperature Statistics

December Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    33.1 °F

  • Highest 19 December, 2025

    55.9 °F

Climate (2020–Present)

Westerly, Westerly State Airport (5.6 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    60.4 °F
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