Marine Weather Net

Saint Helena Island, SC Weather Forecast


Marine Forecast: Edisto Beach to Savannah


Saint Helena Island, South Carolina

 Lat: 32.39N, Lon: 80.72W

Current Conditions Updated: 256 PM EDT THU MAR 19 2026

Mostly Clear
Temp: 67°F
  • Humidity:
  • 27%
  • Winds:
  • 3 MPH VRB
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.22 in.
  • Dewpoint:
  • 32°F
  • Heat index:
  • 67°F

  • Sunrise:
  • 7:26 AM EDT
  • Sunset:
  • 7:32 PM EDT
  • Moonrise:
  • 7:39 AM EDT
  • Moonset:
  • 8:30 PM EDT

THIS AFTERNOON

SUNNY

Hi: 65°F

FRIDAY

SUNNY

SATURDAY

SUNNY

Lo: 61°F

SUNDAY

SUNNY

Hi: 81°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 212 PM EDT Thu Mar 19 2026

This Afternoon...Sunny. Highs in the mid 60s. East winds 5 to 10 mph.
Tonight...Mostly clear. Lows in the lower 40s, except in the upper 40s near the coast. Southeast winds around 5 mph in the evening, becoming light and variable.
Friday...Sunny. Highs in the lower 70s, except in the upper 60s near the coast. North winds around 5 mph, becoming east in the afternoon.
Friday Night...Mostly clear. Lows in the lower 50s, except in the mid 50s near the coast. South winds 5 to 10 mph.
Saturday...Sunny. Highs in the lower 80s, except in the upper 70s near the coast. Southwest winds 5 to 10 mph.
Saturday Night...Mostly clear. Lows in the lower 60s.
Sunday...Sunny. Highs in the lower 80s.
Sunday Night...Mostly clear. Lows in the mid 60s.
Monday...Sunny. Highs in the mid 80s.
Monday Night...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 20 percent.
Tuesday...Mostly sunny. Cooler with highs in the upper 60s.
Tuesday Night...Partly cloudy with a 20 percent chance of showers. Lows in the mid 50s.
Wednesday...Partly sunny. Highs in the lower 70s.
SHARE THIS PAGE: