Marine Weather Net

Westerly, RI Weather Forecast


Marine Forecast: Block Island Sound


Westerly, Rhode Island

 Lat: 41.37N, Lon: 71.81W

Current Conditions Updated: 553 PM EST 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:
  • 7:07 AM EST
  • Sunset:
  • 4:47 PM EST
  • Moonrise:
  • 8:45 AM EST
  • Moonset:
  • 7:59 PM EST

TONIGHT

CHANCE OF SNOW
Lo: 31°F
Precip: 40%

THURSDAY

MOSTLY SUNNY
Hi: 41°F
Lo: 21°F

FRIDAY

PARTLY SUNNY
Hi: 31°F
Lo: 6°F

SATURDAY

MOSTLY SUNNY
Hi: 18°F
Lo: 18°F
Weather Forecast In Detail:
Forecast Issued: 703 PM EST Wed Jan 21 2026

Tonight...Cloudy. A chance of rain with a slight chance of snow this evening, then a chance of rain after midnight. Not as cool with lows in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 40 percent.
Thursday...Mostly sunny. Highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Thursday Night...Partly cloudy. Lows in the lower 20s. West winds 5 to 10 mph with gusts up to 25 mph.
Friday...Partly sunny. Cooler with highs in the lower 30s. West winds 10 to 15 mph with gusts up to 30 mph.
Friday Night...Partly cloudy. Much colder with lows around 6 above. Northwest winds 10 to 15 mph with gusts up to 35 mph.
Saturday...Mostly sunny. Much colder with highs 15 to 20.
Saturday Night...Mostly cloudy with a 30 percent chance of snow. Cold with lows 5 to 10 above.
Sunday And Sunday Night...Snow, cold. Highs in the mid 20s. Lows 15 to 20. Chance of snow 80 percent.
Monday...Snow likely. Highs in the upper 20s. Chance of snow 70 percent.
Monday Night...Partly cloudy with a 40 percent chance of snow. Lows around 10 above.
Tuesday And Tuesday Night...Mostly clear. Cold. Highs in the mid 20s. Lows around 10 above.
Wednesday...Mostly sunny. Highs in the upper 20s.
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