Marine Weather Net

Summerville, SC Weather Forecast


Marine Forecast: Charleston Harbor


Summerville, South Carolina

 Lat: 33.02N, Lon: 80.18W

Current Conditions Updated: 756 AM EDT SUN OCT 18 2026

Clear


Temp: 47°F
  • Humidity:
  • 68%
  • Winds:
  • 12 MPH NNE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.36 in.
  • Dewpoint:
  • 37°F
  • Heat index:
  • 47°F

  • Sunrise:
  • 7:25 AM EDT
  • Sunset:
  • 6:43 PM EDT
  • Moonrise:
  • 2:34 PM EDT
  • Moonset:
  • N/A EDT

TODAY

SUNNY

Hi: 65°F
Lo: 49°F

MONDAY

SUNNY

Hi: 70°F
Lo: 45°F

TUESDAY

SUNNY

Hi: 75°F
Lo: 49°F

WEDNESDAY

SUNNY

Hi: 71°F
Lo: 50°F
Weather Forecast In Detail:
Forecast Issued: 512 AM EDT Sun Oct 18 2026

Today...Sunny. Highs in the mid 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Tonight...Clear. Lows in the upper 40s. Northeast winds 5 to 10 mph with gusts up to 25 mph.
Monday...Sunny. Highs around 70. North winds around 10 mph with gusts up to 25 mph.
Monday Night...Mostly clear. Lows in the mid 40s. North winds 5 to 10 mph.
Tuesday...Sunny. Highs in the mid 70s. North winds 5 to 10 mph with gusts up to 20 mph.
Tuesday Night...Clear. Lows in the upper 40s.
Wednesday...Sunny. Highs in the lower 70s.
Wednesday Night...Clear. Lows around 50.
Thursday...Sunny. Highs in the lower 70s.
Thursday Night...Clear. Lows around 50.
Friday...Sunny. Highs in the lower 70s.
Friday Night...Clear. Lows in the lower 50s.
Saturday...Sunny. Highs in the lower 70s.
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