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:
  • 7:02 AM EST
  • Sunset:
  • 4:16 PM EST
  • Moonrise:
  • N/A EST
  • Moonset:
  • 12:14 PM EST

TONIGHT

MOSTLY CLEAR
Lo: 21°F

SATURDAY

PARTLY SUNNY
Hi: 41°F
Lo: 25°F

SUNDAY

LIGHT SNOW
Hi: 31°F
Lo: 15°F
Precip: 80%

MONDAY

SUNNY

Hi: 29°F
Lo: 20°F
Weather Forecast In Detail:
Forecast Issued: 402 PM EST Fri Dec 12 2025

Tonight...Mostly clear. Lows in the lower 20s. West winds 5 to 10 mph. Gusts up to 30 mph this evening.
Saturday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night...Cloudy. A chance of snow in the evening, then snow after midnight. Snow accumulation around an inch. Lows in the mid 20s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of snow 90 percent.
Sunday...Snow. Additional light snow accumulation. Cooler with highs in the lower 30s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of snow 80 percent.
Sunday Night...Partly cloudy. Cooler with lows around 15. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Monday...Sunny, cold with highs in the upper 20s.
Monday Night...Mostly cloudy. Lows around 20.
Tuesday...Sunny. Highs in the mid 30s.
Tuesday Night...Partly cloudy. Lows in the lower 20s.
Wednesday And Wednesday Night...Mostly cloudy. Highs in the mid 40s. Lows around 30.
Thursday...Partly sunny. Highs in the lower 50s.
Thursday Night...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s.
Friday...Partly sunny with a 40 percent chance of rain. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon.
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