Stonington Harbor Weather Forecast

    • 63
    • 73

    Rain Showers

    • 61
    • 74

    Rain Showers Likely

    • 64
    • 78

    Partly Sunny

    • 66
    • 79

    Partly Sunny

    • 67
    • 77

    Chance Rain Showers

    • 67
    • 78

    Chance Rain Showers

Today 29 Jul Southern New London

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the lower 70s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 29 Jul Southern New London

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall. Humid with Lows in the lower 60s. East Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 70 percent.

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Stonington Harbor Temperature Statistics

July Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 26 July, 2026

    52 °F

  • Average July

    71.8 °F

  • Highest 3 July, 2026

    90 °F

Climate (2021–2026)

Westerly, Westerly State Airport (5.6 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    60.4 °F
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