Marine Weather Net

Block Island, RI Weather Forecast


Marine Forecast: Block Island Sound


Block Island, Rhode Island

 Lat: 41.17N, Lon: 71.58W

Current Conditions Updated: 653 PM EDT SUN NOV 2 2025

Clear


Temp: 45°F
  • Humidity:
  • 79%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.26 in.
  • Dewpoint:
  • 39°F
  • Heat index:
  • 45°F

  • Sunrise:
  • 5:13 AM EDT
  • Sunset:
  • 8:21 PM EDT
  • Moonrise:
  • 3:52 PM EDT
  • Moonset:
  • 1:24 AM EDT

THIS AFTERNOON

CHANCE OF SHOWERS
Lo: 65°F
Precip: 50%

JUNETEENTH

PARTLY SUNNY
Hi: 81°F
Lo: 61°F

SATURDAY

SUNNY

Hi: 80°F
Lo: 60°F

SUNDAY

SUNNY

Hi: 81°F
Lo: 59°F
Weather Forecast In Detail:
Forecast Issued: 104 PM EDT Thu Jun 18 2026

This Afternoon...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Patchy fog. Near steady temperature in the lower 70s. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 50 percent.
Tonight...Partly cloudy. Lows in the mid 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming west 5 to 10 mph with gusts up to 20 mph after midnight.
Juneteenth...Partly sunny. Highs in the lower 80s. West winds 10 to 15 mph.
Friday Night...Mostly clear. Lows in the lower 60s. West winds 5 to 10 mph with gusts up to 20 mph.
Saturday...Sunny. Highs around 80. West winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night...Clear. Lows around 60.
Sunday...Sunny. Highs in the lower 80s.
Sunday Night...Partly cloudy with a 30 percent chance of showers. Lows in the upper 50s.
Monday And Monday Night...Showers likely. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 70 percent.
Tuesday...Partly sunny with a 40 percent chance of showers. Highs in the lower 80s.
Tuesday Night And Wednesday...Mostly clear. Lows in the upper 50s. Highs in the lower 80s.
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