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:
  • 5:46 AM EDT
  • Sunset:
  • 7:55 PM EDT
  • Moonrise:
  • N/A EDT
  • Moonset:
  • 3:48 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 75°F

FRIDAY

SUNNY

Hi: 89°F
Lo: 75°F

SATURDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 75°F

SUNDAY

MOSTLY CLEAR
Hi: 85°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 104 AM EDT Fri Aug 07 2026

HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
Rest Of Tonight...Partly cloudy. Patchy fog. Near steady temperature in the mid 70s. Southwest winds around 5 mph.
Friday...Sunny. Patchy fog in the morning. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph.
Friday Night...Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph.
Saturday...Mostly sunny. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Saturday Night...Partly cloudy. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Sunday...Mostly clear. Highs in the mid 80s. Lows in the mid 60s.
Monday...Mostly clear. Highs in the mid 80s. Lows in the mid 60s.
Monday Night...Partly cloudy. Lows in the upper 60s.
Tuesday...Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 30 percent.
Tuesday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the upper 60s.
Wednesday And Wednesday Night...Partly cloudy. Highs in the lower 80s. Lows in the mid 60s.
Thursday...Partly sunny with a 30 percent chance of showers. Highs around 80.
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