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:
  • 5:53 AM EDT
  • Sunset:
  • 7:46 PM EDT
  • Moonrise:
  • 8:02 AM EDT
  • Moonset:
  • 8:45 PM EDT

TODAY

PARTLY SUNNY
Hi: 81°F
Lo: 57°F
Precip: 20%

SATURDAY

SUNNY

Hi: 79°F
Lo: 59°F

SUNDAY

MOSTLY SUNNY
Hi: 79°F
Lo: 65°F

MONDAY

SHOWERS
Hi: 81°F
Lo: 61°F
Precip: 80%
Weather Forecast In Detail:
Forecast Issued: 702 AM EDT Fri Aug 14 2026

Today...Partly sunny. Isolated showers and thunderstorms this afternoon. Highs in the lower 80s. Northwest winds around 5 mph, becoming southwest this afternoon. Chance of rain 20 percent.
Tonight...Mostly cloudy with isolated showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 50s. Northwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 20 percent.
Saturday...Sunny. Highs in the upper 70s. North winds 5 to 10 mph, becoming southwest in the afternoon.
Saturday Night...Mostly clear. Lows in the upper 50s. Southwest winds 5 to 10 mph, becoming west after midnight.
Sunday...Mostly sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph.
Sunday Night...Showers. Lows in the mid 60s. Chance of rain 90 percent.
Monday...Showers. Highs in the lower 80s. Chance of rain 80 percent.
Monday Night...Partly cloudy. Lows in the lower 60s.
Tuesday...Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Wednesday...Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Wednesday Night...Partly cloudy. Lows in the mid 60s.
Thursday...Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 50 percent.
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