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:
  • 5:27 AM EDT
  • Sunset:
  • 7:55 PM EDT
  • Moonrise:
  • 3:45 AM EDT
  • Moonset:
  • 5:41 PM EDT

TODAY

CHANCE OF T-STORM
Hi: 59°F
Lo: 51°F
Precip: 90%

FRIDAY

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

SATURDAY

SUNNY

Hi: 69°F
Lo: 55°F

SUNDAY

PARTLY CLOUDY
Hi: 75°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 403 AM EDT Thu May 14 2026

Today...Showers likely with a slight chance of thunderstorms this morning, then showers this afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph. Gusts up to 20 mph this morning. Chance of rain 90 percent.
Tonight...Cloudy. Showers, mainly in the evening. Lows in the lower 50s. West winds around 5 mph. Chance of rain 90 percent.
Friday...Cloudy with a 50 percent chance of showers. Near steady temperature in the lower 50s. North winds 5 to 10 mph.
Friday Night...Partly cloudy. Near steady temperature around 50. North winds around 5 mph, becoming west after midnight.
Saturday...Sunny. Not as cool with highs in the upper 60s. Southwest winds 10 to 15 mph.
Saturday Night...Mostly clear. Lows in the mid 50s.
Sunday...Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Monday...Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Tuesday...Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
Wednesday...Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.
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