Block Island Sound Weather Forecast

    • 67
    • 75

    Rain Showers

    • 67
    • 76

    Partly Sunny

    • 70
    • 75

    Chance Rain Showers

    • 72
    • 77

    Partly Sunny

    • 72
    • 78

    Slight Chance Thunderstorms

    • 71
    • 78

    Chance Rain Showers

Today 3 Aug Northeast Suffolk

Showers with a chance of Thunderstorms. Highs around 80. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 3 Aug Northeast Suffolk

Mostly cloudy with Showers with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the upper 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northwest 5 to 10 Mph after midnight. Chance of rain 80 percent.

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Block Island Sound Temperature Statistics

August Temperature

Westerly, Westerly State Airport (7.5 miles)

  • Lowest 1 August, 2026

    64 °F

  • Average August

    73 °F

  • Highest 1 August, 2026

    80.1 °F

Climate (2021–2026)

Westerly, Westerly State Airport (7.5 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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