Marine Weather Net

Charleston, SC Weather Forecast


Marine Forecast: Charleston Harbor


Charleston, South Carolina

 Lat: 32.78N, Lon: 79.94W

Current Conditions Updated: 856 PM EST THU NOV 20 2025

Partly Cloudy
Temp: 61°F
  • Humidity:
  • 93%
  • Winds:
  • 5 MPH ENE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.13 in.
  • Dewpoint:
  • 59°F
  • Heat index:
  • 61°F

  • Sunrise:
  • 6:52 AM EST
  • Sunset:
  • 5:15 PM EST
  • Moonrise:
  • 7:23 AM EST
  • Moonset:
  • 5:17 PM EST

TONIGHT

MOSTLY CLOUDY
Lo: 55°F

FRIDAY

MOSTLY SUNNY
Hi: 79°F
Lo: 60°F

SATURDAY

MOSTLY SUNNY
Hi: 80°F
Lo: 55°F

SUNDAY

MOSTLY SUNNY
Hi: 69°F
Lo: 41°F
Weather Forecast In Detail:
Forecast Issued: 437 PM EST Thu Nov 20 2025

Tonight...Mostly cloudy. Areas of fog after midnight. Lows in the mid 50s. East winds around 5 mph this evening, becoming light and variable.
Friday...Mostly cloudy in the morning, then becoming mostly sunny. Areas of dense fog in the morning. Highs in the upper 70s. Southwest winds around 5 mph.
Friday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. Southwest winds around 5 mph.
Saturday...Mostly sunny. Highs around 80. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Saturday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. West winds around 5 mph, becoming north after midnight.
Sunday...Mostly sunny. Highs in the upper 60s.
Sunday Night...Mostly clear. Lows in the lower 40s.
Monday...Sunny. Highs in the lower 70s.
Monday Night...Mostly cloudy. Lows in the lower 50s.
Tuesday...Mostly cloudy with a 20 percent chance of showers. Highs in the mid 70s.
Tuesday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 50s.
Wednesday...Partly sunny with a 20 percent chance of showers. Highs in the upper 70s.
Wednesday Night...Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s.
Thanksgiving Day...Partly sunny. Highs in the upper 60s.
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