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:
  • 6:58 AM EDT
  • Sunset:
  • 6:50 PM EDT
  • Moonrise:
  • 4:50 AM EDT
  • Moonset:
  • 2:07 PM EDT

TODAY

MOSTLY SUNNY
Hi: 45°F
Lo: 29°F

SUNDAY

PARTLY SUNNY
Hi: 41°F
Lo: 39°F

MONDAY

RAIN
Hi: 59°F
Lo: 39°F
Precip: 100%

TUESDAY

PARTLY SUNNY
Hi: 45°F
Lo: 21°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 702 AM EDT Sat Mar 14 2026

Today...Mostly sunny. Highs in the mid 40s. West winds 15 to 20 mph with gusts up to 40 mph.
Tonight...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. Northwest winds 10 to 15 mph. Gusts up to 35 mph, Decreasing to 20 mph after midnight.
Sunday...Partly sunny. Highs in the lower 40s. North winds around 5 mph, becoming southeast in the afternoon.
Sunday Night...Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s. Southeast winds 10 to 15 mph. Gusts up to 20 mph, increasing to 30 mph after midnight.
Monday...Rain. Not as cool with highs in the upper 50s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.
Monday Night...Rain, breezy with lows in the upper 30s. Chance of rain near 100 percent.
Tuesday...Partly sunny with a 40 percent chance of rain. Cooler with highs in the mid 40s.
Tuesday Night...Mostly clear. Much cooler with lows in the lower 20s.
Wednesday...Mostly sunny. Highs in the upper 30s.
Wednesday Night And Thursday...Mostly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Thursday Night And Friday...Partly cloudy. Lows in the upper 20s. Highs in the mid 40s.
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