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.
Block Island Sound Temperature Statistics
October Temperature
Westerly, Westerly State Airport (7.5 miles)
Lowest 10 October, 2025
33.1 °FAverage October
56.6 °FHighest 5 October, 2025
77 °F
Climate (2020–Present)
Westerly, Westerly State Airport (7.5 miles)
Average Low 2020–2025
44.4 °FAverage 2020–2025
52.6 °FAverage High 2020–2025
60.5 °F