Block Island Sound Weather Forecast

    • 54
    • 65

    Slight Chance Rain Showers

    • 59
    • 64

    Rain Showers

    • 52
    • 64

    Rain Showers

    • 48
    • 58

    Chance Rain Showers

    • 47
    • 57

    Mostly Sunny

    • 49
    • 57

    Partly Sunny

Today 20 Oct Northeast Suffolk

Partly sunny with a 20 percent chance of Showers. Breezy with Highs in the mid 60s. Southwest Winds 15 to 25 Mph.

Tonight 20 Oct Northeast Suffolk

Partly cloudy with a slight chance of Showers in the Evening, then clear after midnight. Breezy with Lows in the lower 50s. West Winds 15 to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Block Island Sound Temperature Statistics

October Temperature

Westerly, Westerly State Airport (7.5 miles)

  • Lowest 10 October, 2025

    33.1 °F
  • Average October

    56.6 °F
  • Highest 5 October, 2025

    77 °F

Climate (2020–Present)

Westerly, Westerly State Airport (7.5 miles)

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  • Average Low 2020–2025

    44.4 °F
  • Average 2020–2025

    52.6 °F
  • Average High 2020–2025

    60.5 °F
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