Stonington Weather Forecast

    • 27
    • 56

    Rain Showers

    • 32
    • 42

    Partly Sunny

    • 22
    • 45

    Partly Sunny

    • 21
    • 33

    Partly Sunny

    • 29
    • 40

    Chance Rain/Snow

    • 25
    • 42

    Partly Sunny

Today 19 Dec Southern New London

Showers with a slight chance of Thunderstorms. Windy with Highs in the mid 50s. South Winds 20 to 30 Mph, becoming southwest this afternoon. Gusts up to 50 Mph. Chance of rain near 100 percent.

Tonight 19 Dec Southern New London

Mostly cloudy with a slight chance of rain Showers in the Evening, then mostly clear after midnight. Breezy, cooler with Lows in the mid 20s. West Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight. Chance of rain 20 percent.

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Stonington Temperature Statistics

December Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    31.2 °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

    44.2 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    60.4 °F
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