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:
  • 6:41 AM EST
  • Sunset:
  • 4:21 PM EST
  • Moonrise:
  • 9:15 AM EST
  • Moonset:
  • 5:44 PM EST

TONIGHT

CHANCE OF RAIN
Lo: 40°F
Precip: 40%

SATURDAY

PARTLY SUNNY
Hi: 49°F
Lo: 29°F
Precip: 70%

SUNDAY

MOSTLY SUNNY
Hi: 49°F
Lo: 35°F

MONDAY

SUNNY

Hi: 49°F
Lo: 31°F
Weather Forecast In Detail:
Forecast Issued: 103 AM EST Sat Nov 22 2025

Rest Of Tonight...Mostly cloudy with a 40 percent chance of rain. Patchy fog. Near steady temperature around 40. West winds around 5 mph.
Saturday...Cloudy with rain likely in the morning, then partly sunny with a chance of rain in the afternoon. Patchy fog in the morning. Highs in the upper 40s. North winds 5 to 10 mph. Chance of rain 70 percent.
Saturday Night...Mostly clear. Cooler with lows in the upper 20s. Northwest winds 5 to 10 mph.
Sunday...Mostly sunny. Highs in the upper 40s. West winds 5 to 10 mph.
Sunday Night...Partly cloudy. Lows in the mid 30s. West winds 5 to 10 mph. Gusts up to 20 mph after midnight.
Monday...Sunny. Highs in the upper 40s.
Monday Night...Partly cloudy. Lows in the lower 30s.
Tuesday...Mostly cloudy. Highs in the mid 50s.
Tuesday Night...Rain likely. Not as cool. Near steady temperature in the upper 40s. Chance of rain 70 percent.
Wednesday...Rain likely. Highs in the upper 50s. Chance of rain 70 percent.
Wednesday Night...Mostly cloudy with a 50 percent chance of rain. Lows around 40.
Thanksgiving Day...Partly sunny. Highs in the lower 50s.
Thursday Night And Friday...Partly cloudy. Lows in the lower 30s. Highs in the mid 40s.
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