Stonington Harbor Weather Forecast

    • 69
    • 88

    Slight Chance Thunderstorms

    • 68
    • 82

    Areas Smoke

    • 66
    • 81

    Chance Rain Showers

    • 67
    • 78

    Rain Showers Likely

    • 65
    • 80

    Chance Rain Showers

    • 67
    • 79

    Chance Rain Showers

Today 15 Jul Southern New London

Sunny. Patchy smoke this Morning, then Areas of smoke this afternoon. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent. Heat index Values in the upper 90s.

Tonight 15 Jul Southern New London

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Patchy smoke. Lows around 70. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stonington Harbor Temperature Statistics

July Temperature

Westerly, Westerly State Airport (5.6 miles)

  • Lowest 12 July, 2026

    57.9 °F

  • Average July

    73.4 °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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