| NWS Forecast for: Block Island Issued by: National Weather Service Norton, MA Last Update: 404 PM EDT Wed Sep 16 2026 |  |
| Tonight: Mostly clear. Near steady temperature in the upper 60s. Southwest winds 10 to 15 mph. Thursday: Mostly sunny. Humid with highs in the lower 70s. Southwest winds 5 to 10 mph. Thursday Night: Mostly cloudy. A chance of showers after midnight. Humid. Near steady temperature in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 30 percent. Friday: Mostly sunny. Humid with highs in the mid 70s. West winds around 10 mph with gusts up to 20 mph, becoming northwest in the afternoon. Friday Night: Partly cloudy. Less humid with lows in the upper 50s. North winds 10 to 15 mph. Saturday: Sunny, cooler with highs in the mid 60s. Saturday Night: Mostly cloudy. Near steady temperature in the lower 60s. Sunday And Sunday Night: Showers likely. Highs in the upper 60s. Lows in the lower 60s. Chance of rain 60 percent. Monday Through Tuesday: Mostly cloudy with a 40 percent chance of showers. Breezy. Near steady temperature in the mid 60s. Tuesday Night And Wednesday: Mostly cloudy and breezy. Near steady temperature in the lower 60s. | |
| Zone Forecast: Block Island | |
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