Marine Weather Net

Charlestown, RI Weather Forecast


Marine Forecast: Block Island Sound


Charlestown, Rhode Island

 Lat: 41.38N, Lon: 71.65W

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:
  • 6:11 AM EDT
  • Sunset:
  • 7:18 PM EDT
  • Moonrise:
  • 9:48 PM EDT
  • Moonset:
  • 12:22 PM EDT

TONIGHT

CHANCE OF SHOWERS
Lo: 60°F
Precip: 40%

WEDNESDAY

PARTLY SUNNY
Hi: 71°F
Lo: 61°F

THURSDAY

SHOWERS
Hi: 75°F
Lo: 65°F
Precip: 70%

FRIDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 1003 PM EDT Tue Sep 01 2026

Overnight...Mostly cloudy. Patchy fog. A chance of showers. Near steady temperature in the lower 60s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 40 percent.
Wednesday...Partly sunny. Highs in the lower 70s. East winds 5 to 10 mph. Gusts up to 20 mph in the morning.
Wednesday Night...Mostly cloudy. A chance of showers after midnight. Patchy fog after midnight. Lows in the lower 60s. East winds 5 to 10 mph. Chance of rain 50 percent.
Thursday...Showers likely. Patchy fog. Humid with highs in the mid 70s. South winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 70 percent.
Thursday Night...Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. Southwest winds 5 to 10 mph, becoming west after midnight. Chance of rain 40 percent.
Friday...Mostly sunny. Highs in the lower 80s.
Friday Night And Saturday...Mostly clear. Lows around 60. Highs in the mid 70s.
Saturday Night...Partly cloudy. Lows in the mid 50s.
Sunday Through Labor Day...Mostly clear. Highs in the lower 70s. Lows in the mid 50s.
Monday Night And Tuesday...Partly cloudy. Lows in the upper 50s. Highs in the lower 70s.
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