Marine Weather Net

Summerville, SC Weather Forecast


Marine Forecast: Charleston Harbor


Summerville, South Carolina

 Lat: 33.02N, Lon: 80.18W

Current Conditions Updated: 556 PM EDT WED APR 1 2026

Partly Cloudy
Temp: 78°F
  • Humidity:
  • 51%
  • Winds:
  • 14 MPH SSE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.18 in.
  • Dewpoint:
  • 59°F
  • Heat index:
  • 79°F

  • Sunrise:
  • 7:07 AM EDT
  • Sunset:
  • 7:39 PM EDT
  • Moonrise:
  • 7:34 PM EDT
  • Moonset:
  • 6:43 AM EDT

TONIGHT

PARTLY CLOUDY
Lo: 59°F

THURSDAY

SUNNY

Hi: 81°F
Lo: 61°F

FRIDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 60°F
Precip: 30%

SATURDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 61°F
Precip: 20%
Weather Forecast In Detail:
Forecast Issued: 537 PM EDT Wed Apr 01 2026

Tonight...Partly cloudy. Lows in the upper 50s. South winds 5 to 10 mph.
Thursday...Patchy fog in the morning. Sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Thursday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southeast winds 5 to 10 mph.
Friday...Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.
Friday Night...Partly cloudy. A chance of showers in the evening. Lows around 60. Southeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 30 percent.
Saturday...Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s.
Saturday Night...Mostly clear. Lows in the lower 60s.
Sunday...Partly sunny with a 20 percent chance of showers. Highs in the lower 80s.
Sunday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.
Monday...Mostly cloudy with a 20 percent chance of showers. Highs in the upper 60s.
Monday Night...Mostly cloudy. Lows in the upper 40s.
Tuesday...Mostly sunny. Highs in the lower 70s.
Tuesday Night...Mostly clear. Lows in the upper 40s.
Wednesday...Sunny. Highs in the upper 60s.
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