Marine Weather Net

Charleston, SC Weather Forecast


Marine Forecast: Charleston Harbor


Charleston, South Carolina

 Lat: 32.78N, Lon: 79.94W

Current Conditions Updated: 956 PM EST WED DEC 31 2025

Clear


Temp: 41°F
  • Humidity:
  • 52%
  • Winds:
  • 6 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.05 in.
  • Dewpoint:
  • 25°F
  • Heat index:
  • 41°F

  • Sunrise:
  • 7:20 AM EST
  • Sunset:
  • 5:22 PM EST
  • Moonrise:
  • 2:29 PM EST
  • Moonset:
  • 4:23 AM EST

TONIGHT

MOSTLY CLEAR
Lo: 35°F

NEW YEARS DAY

SUNNY

Hi: 60°F
Lo: 39°F

FRIDAY

PARTLY SUNNY
Hi: 61°F
Lo: 47°F

SATURDAY

CHANCE OF T-STORM
Hi: 65°F
Lo: 45°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 437 PM EST Wed Dec 31 2025

Tonight...Mostly clear. Lows in the mid 30s. Southwest winds around 5 mph.
New Years Day...Sunny. Highs around 60. West winds 5 to 10 mph.
Thursday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Southwest winds around 5 mph.
Friday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 60s. Southwest winds around 5 mph.
Friday Night...Mostly cloudy. A chance of showers after midnight. Lows in the upper 40s. Southwest winds around 5 mph. Chance of rain 50 percent.
Saturday...Showers with a chance of thunderstorms. Highs in the mid 60s. Chance of rain 90 percent.
Saturday Night...Showers likely with a slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 70 percent.
Sunday...Mostly sunny. Highs in the upper 50s.
Sunday Night...Partly cloudy. Lows in the upper 30s.
Monday...Mostly sunny. Highs in the upper 50s.
Monday Night...Partly cloudy. Lows around 40.
Tuesday...Mostly sunny. Highs in the mid 60s.
Tuesday Night...Mostly cloudy. Lows in the mid 40s.
Wednesday...Partly sunny. Highs in the upper 60s.
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