Marine Weather Net

Summerville, SC Weather Forecast


Marine Forecast: Charleston Harbor


Summerville, South Carolina

 Lat: 33.02N, Lon: 80.18W

Current Conditions Updated: 1056 AM EDT SAT APR 25 2026

Mostly Cloudy
Temp: 79°F
  • Humidity:
  • 58%
  • Winds:
  • 5 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.86 in.
  • Dewpoint:
  • 63°F
  • Heat index:
  • 81°F

  • Sunrise:
  • 6:38 AM EDT
  • Sunset:
  • 7:57 PM EDT
  • Moonrise:
  • 2:25 PM EDT
  • Moonset:
  • 3:23 AM EDT

TODAY

SUNNY

Hi: 89°F
Lo: 61°F

SUNDAY

PARTLY SUNNY
Hi: 81°F
Lo: 51°F
Precip: 50%

MONDAY

SUNNY

Hi: 79°F
Lo: 51°F

TUESDAY

PARTLY SUNNY
Hi: 80°F
Lo: 59°F
Weather Forecast In Detail:
Forecast Issued: 722 AM EDT Sat Apr 25 2026

Today...Sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph.
Tonight...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 50 percent.
Sunday...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. West winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 50 percent.
Sunday Night...Mostly cloudy with showers likely with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 60 percent.
Monday...Sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.
Monday Night...Mostly clear. Lows in the lower 50s.
Tuesday...Partly sunny. Highs around 80.
Tuesday Night...Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s.
Wednesday...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
Wednesday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s.
Thursday...Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 30 percent.
Thursday Night...Partly cloudy with a 20 percent chance of showers. Lows in the mid 50s.
Friday...Partly sunny with a 40 percent chance of showers. Highs around 80.
SHARE THIS PAGE: