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:
  • 6:26 AM EDT
  • Sunset:
  • 6:52 PM EDT
  • Moonrise:
  • 1:29 PM EDT
  • Moonset:
  • 10:08 PM EDT

TODAY

MOSTLY SUNNY
Hi: 79°F
Lo: 65°F

FRIDAY

MOSTLY SUNNY
Hi: 79°F
Lo: 55°F

SATURDAY

MOSTLY SUNNY
Hi: 69°F
Lo: 51°F

MONDAY

PARTLY SUNNY
Hi: 65°F
Lo: 50°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 402 AM EDT Thu Sep 17 2026

Today...Mostly sunny. Patchy fog this morning. Highs in the upper 70s. Southwest winds 5 to 10 mph.
Tonight...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Humid with lows in the mid 60s. Southwest winds 5 to 10 mph. Gusts up to 20 mph after midnight. Chance of rain 50 percent.
Friday...Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph. Gusts up to 20 mph in the morning.
Friday Night...Partly cloudy. Cooler. Less humid with lows in the lower 50s. North winds 5 to 10 mph.
Saturday...Mostly sunny. Cooler with highs in the upper 60s. Northeast winds 5 to 10 mph, becoming east in the afternoon.
Saturday Night...Mostly cloudy. Lows in the lower 50s.
Sunday And Sunday Night...Showers. Highs in the mid 60s. Lows in the lower 50s. Chance of rain 80 percent.
Monday...Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
Monday Night And Tuesday...Mostly cloudy. Lows around 50. Highs in the mid 60s.
Tuesday Night And Wednesday...Partly cloudy. Lows around 50. Highs in the mid 60s.
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