Barn Island Weather Forecast

    • 66
    • 86

    Slight Chance Thunderstorms

    • 70
    • 83

    Partly Sunny

    • 64
    • 83

    Partly Sunny

    • 66
    • 81

    Chance Rain Showers

    • 63
    • 79

    Slight Chance Thunderstorms

    • 59
    • 77

    Mostly Sunny

Today 9 Aug Southern New London

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 100.

Tonight 9 Aug Southern New London

Clear. Lows in the upper 60s. West Winds around 5 Mph in the Evening, becoming light and variable.

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Barn Island Temperature Statistics

August Temperature

Westerly, Westerly State Airport (3.7 miles)

  • Lowest 5 August, 2026

    57.9 °F

  • Average August

    74.5 °F

  • Highest 7 August, 2026

    87.1 °F

Climate (2021–2026)

Westerly, Westerly State Airport (3.7 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    60.4 °F
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