Stonington Harbor Weather Forecast

    • 13
    • 33

    Snow

    • 19
    • 30

    Partly Sunny

    • 25
    • 34

    Partly Sunny

    • 29
    • 45

    Partly Sunny

    • 38
    • 51

    Mostly Cloudy

    • 23
    • 50

    Slight Chance Snow

Today 14 Dec Southern New London

Snow this Morning, then partly sunny with a chance of snow this afternoon. Snow accumulation of 1 to 3 Inches. Highs in the lower 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow near 100 percent.

Tonight 14 Dec Southern New London

Partly cloudy in the Evening, then clearing. Cooler with Lows around 13. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 4 below.

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Stonington Harbor Temperature Statistics

December Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    32.7 °F

  • Highest 10 December, 2025

    50 °F

Climate (2020–Present)

Westerly, Westerly State Airport (5.6 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    60.4 °F
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