Marine Weather Net

Charleston, SC Weather Forecast


Marine Forecast: Charleston Harbor


Charleston, South Carolina

 Lat: 32.78N, Lon: 79.94W

Current Conditions Updated: 756 AM EDT WED MAY 6 2026

Partly Cloudy
Temp: 69°F
  • Humidity:
  • 80%
  • Winds:
  • 6 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.02 in.
  • Dewpoint:
  • 63°F
  • Heat index:
  • 69°F

  • Sunrise:
  • 6:26 AM EDT
  • Sunset:
  • 8:03 PM EDT
  • Moonrise:
  • 12:04 AM EDT
  • Moonset:
  • 9:45 AM EDT

TODAY

MOSTLY SUNNY
Hi: 89°F
Lo: 69°F

THURSDAY

CHANCE OF T-STORM
Hi: 81°F
Lo: 60°F
Precip: 90%

FRIDAY

MOSTLY CLOUDY
Hi: 75°F
Lo: 60°F

SATURDAY

PARTLY SUNNY
Hi: 81°F
Lo: 61°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 537 AM EDT Wed May 06 2026

Today...Mostly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph.
Tonight...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. South winds 5 to 10 mph with gusts up to 20 mph.
Thursday...A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.
Thursday Night...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. West winds 5 to 10 mph with gusts up to 25 mph, becoming north after midnight. Chance of rain 20 percent.
Friday...Mostly cloudy. Highs in the mid 70s. Northeast winds around 5 mph.
Friday Night...Mostly cloudy with a 50 percent chance of showers. Lows around 60.
Saturday...Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
Saturday Night...Mostly cloudy. Lows in the lower 60s.
Sunday...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 60 percent.
Sunday Night...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.
Monday...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 60 percent.
Monday Night...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 30 percent.
Tuesday...Sunny. Highs in the upper 70s.
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