Marine Weather Net

Sullivans Island, SC Weather Forecast




Sullivans Island, South Carolina

 Lat: 32.76N, Lon: 79.84W

Current Conditions Updated: 856 PM EST MON MAR 2 2026

Overcast
Temp: 57°F
  • Humidity:
  • 77%
  • Winds:
  • 8 MPH ENE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.4 in.
  • Dewpoint:
  • 50°F
  • Heat index:
  • 57°F

  • Sunrise:
  • 6:44 AM EST
  • Sunset:
  • 6:16 PM EST
  • Moonrise:
  • 5:42 PM EST
  • Moonset:
  • 6:17 AM EST

TONIGHT

MOSTLY CLOUDY
Lo: 51°F

TUESDAY

MOSTLY SUNNY
Hi: 70°F
Lo: 55°F

WEDNESDAY

MOSTLY SUNNY
Lo: 55°F

THURSDAY

MOSTLY SUNNY
Hi: 75°F
Lo: 59°F
Weather Forecast In Detail:
Forecast Issued: 608 PM EST Mon Mar 02 2026

Tonight...Mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Tuesday...Mostly sunny. Highs around 70, except in the mid 60s near the coast. Northeast winds 5 to 10 mph.
Tuesday Night...Partly cloudy. Lows in the mid 50s. East winds around 5 mph.
Wednesday...Mostly sunny. Highs in the mid 70s, except around 70 near the coast. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon.
Wednesday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. South winds around 5 mph.
Thursday...Mostly sunny. Highs in the mid 70s.
Thursday Night...Mostly cloudy. Lows in the upper 50s.
Friday...Partly sunny. Highs in the mid 70s.
Friday Night...Mostly cloudy. Lows in the upper 50s.
Saturday...Partly sunny. Highs in the mid 70s.
Saturday Night...Mostly cloudy. Lows in the upper 50s.
Sunday...Partly sunny with a 20 percent chance of showers. Highs in the mid 70s.
Sunday Night...Mostly cloudy with a 20 percent chance of showers. Lows around 60.
Monday...Partly sunny with a 40 percent chance of showers. Highs in the mid 70s.
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