Marine Weather Net

James Island, SC Weather Forecast


Marine Forecast: Charleston Harbor


James Island, South Carolina

 Lat: 32.73N, Lon: 79.93W

Current Conditions Updated: 556 AM EST MON FEB 16 2026

Overcast
Temp: 51°F
  • Humidity:
  • 89%
  • Winds:
  • 18 MPH N
  • Gusts:
  • 29 MPH
  • Barometer:
  • 29.86 in.
  • Dewpoint:
  • 48°F
  • Heat index:
  • 51°F

  • Sunrise:
  • 7:02 AM EST
  • Sunset:
  • 6:03 PM EST
  • Moonrise:
  • 6:38 AM EST
  • Moonset:
  • 5:27 PM EST

TODAY

CLEARING

Hi: 61°F
Lo: 41°F

TUESDAY

SUNNY

Lo: 51°F

WEDNESDAY

PARTLY SUNNY
Lo: 55°F

THURSDAY

CHANCE OF SHOWERS
Hi: 71°F
Lo: 59°F
Precip: 20%
Weather Forecast In Detail:
Forecast Issued: 437 AM EST Mon Feb 16 2026

Today...Mostly cloudy this morning, then clearing. Highs in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph.
Tonight...Mostly clear. Lows in the lower 40s. Northeast winds around 5 mph.
Tuesday...Sunny. Highs in the upper 60s, except in the lower 60s near the coast. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon.
Tuesday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. South winds around 5 mph.
Wednesday...Partly sunny in the morning, then becoming mostly cloudy. Highs in the lower 70s, except in the upper 60s near the coast. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Wednesday Night...Mostly cloudy. Lows in the mid 50s.
Thursday...Mostly cloudy with a 20 percent chance of showers. Highs in the lower 70s.
Thursday Night...Mostly cloudy. Lows in the upper 50s.
Friday...Partly sunny with a 40 percent chance of showers. Highs in the mid 70s.
Friday Night...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s.
Saturday...Partly sunny with a 40 percent chance of showers. Highs in the lower 70s.
Saturday Night...Mostly cloudy with a 40 percent chance of showers. Lows around 50.
Sunday...Partly sunny with a 40 percent chance of showers. Highs in the lower 60s.
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