Marine Weather Net

Charleston, SC Weather Forecast


Marine Forecast: Charleston Harbor


Charleston, South Carolina

 Lat: 32.78N, Lon: 79.94W

Current Conditions Updated: 356 AM EDT THU APR 16 2026

Mostly Clear
Temp: 64°F
  • Humidity:
  • 93%
  • Winds:
  • 6 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.09 in.
  • Dewpoint:
  • 62°F
  • Heat index:
  • 64°F

  • Sunrise:
  • 6:47 AM EDT
  • Sunset:
  • 7:49 PM EDT
  • Moonrise:
  • 6:02 AM EDT
  • Moonset:
  • 7:15 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 60°F

THURSDAY

SUNNY

Hi: 89°F
Lo: 60°F

FRIDAY

SUNNY

Hi: 91°F
Lo: 61°F

SATURDAY

MOSTLY SUNNY
Hi: 95°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 212 AM EDT Thu Apr 16 2026

Rest Of Tonight...Partly cloudy. Lows around 60. Southwest winds around 5 mph.
Thursday...Sunny. Highs in the upper 80s. Southwest winds around 5 mph, increasing to 10 to 15 mph in the afternoon.
Thursday Night...Clear. Lows around 60. South winds 10 to 15 mph, becoming southwest around 5 mph after midnight.
Friday...Sunny. Highs in the lower 90s. Southwest winds around 5 mph.
Friday Night...Mostly clear. Lows in the lower 60s. South winds around 5 mph.
Saturday...Mostly sunny. Highs in the mid 90s.
Saturday Night...Mostly cloudy. Lows in the mid 60s.
Sunday...Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.
Sunday Night...Partly cloudy. Cooler with lows in the upper 40s.
Monday...Sunny. Highs in the lower 70s.
Monday Night...Mostly clear. Lows in the mid 40s.
Tuesday...Mostly sunny. Highs in the mid 70s.
Tuesday Night...Partly cloudy. Lows in the upper 40s.
Wednesday...Mostly sunny. Highs in the lower 80s.
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