Barn Island Weather Forecast

    • 52
    • 65

    Rain

    • 54
    • 63

    Rain

    • 57
    • 66

    Rain

    • 56
    • 66

    Chance Rain Showers

    • 56
    • 68

    Partly Sunny

    • 58
    • 69

    Partly Sunny

Today 25 Sep Southern New London

Cloudy. A chance of Showers this afternoon. Highs in the mid 60s. Northeast Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 50 percent.

Tonight 25 Sep Southern New London

Rain likely. Windy with Lows in the lower 50s. Northeast Winds 20 to 30 Mph with Gusts up to 50 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barn Island Temperature Statistics

September Temperature

Westerly, Westerly State Airport (3.7 miles)

  • Lowest 15 September, 2026

    48 °F

  • Average September

    66.2 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

Westerly, Westerly State Airport (3.7 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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