Weather in Saint Helena Island, SC Today
Sat Mar 22nd 2025
50°F 10°C
Feels Like 49°F / 9°C

Clear
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- Barometer: 30.09 inHg. falling
- Humidity: 82% rising
- Heat Index: 51°F
- Wind: from SW. 5.1 mph
- Wind Gust: 10.8 miles per hour
- Wind Chill: 50°F
- UV Index: 0
- Dew Point: 35°F falling
- Visibility: 9 mi.
- Sunrise: 7:25 AM
- Sunset: 7:37 PM
- Moonrise: 2:44 AM
- Moonset: 12:21 PM
- Moon Phase: Last Quarter Moon
Next 8 hours
Next 5 Days
Sunny
Sunny with a high of 74°F and a low of 51°F. Winds will be moderate, blowing around 12mph. Humidity levels are comfortable, sitting around 50%.
High | Low | Hum. | Rain | Snow | Wind |
---|---|---|---|---|---|
74°F | 51°F | 50 % | 0% | 0% | 11.2 mph |
Partly Cloudy
Partly Cloudy with a high of 67°F and a low of 56°F. Winds will be moderate, blowing around 12mph. The humidity will be on the higher side, reaching around 75%.
High | Low | Hum. | Rain | Snow | Wind |
---|---|---|---|---|---|
67°F | 56°F | 75 % | 0% | 0% | 11.9 mph |
Patchy Rain Nearby
Patchy Rain Nearby with a high of 77°F and a low of 57°F. Probable rainfall forecasted, having an 88% chance with an estimated 0.07in. Winds will be moderate, blowing around 11mph. Expect high humidity with levels above 80% to 82%.
High | Low | Hum. | Rain | Snow | Wind |
---|---|---|---|---|---|
77°F | 57°F | 82 % | 88% | est. 0.07in | 0% | 10.3 mph |
Sunny
Sunny with a high of 72°F and a low of 55°F. Winds will be moderate, blowing around 11mph. The humidity will be on the higher side, reaching around 72%.
High | Low | Hum. | Rain | Snow | Wind |
---|---|---|---|---|---|
72°F | 55°F | 72 % | 0% | 0% | 10.1 mph |
Sunny
Sunny with a high of 72°F and a low of 49°F. Winds will be light at 9mph at times. The humidity will be on the higher side, reaching around 61%.
High | Low | Hum. | Rain | Snow | Wind |
---|---|---|---|---|---|
72°F | 49°F | 61 % | 0% | 0% | 8.9 mph |
Real-Time Weather Map
With the potential for severe weather, especially in areas prone to flooding and other adverse conditions, it's important to stay updated with local forecasts and advisories, check out the current and projected visualizations below for accurate Saint Helena Island, SC weather - as well as surrounding cities related to this location - which offers live data and granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Wednesday, as you toggle through each layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the forecasts. Be Well and Stay Safe!
Weather Terms GlossaryTemperatures Today
The following chart reports hourly Saint Helena Island, SC temperatures that are past and forecasted for today, Sat Mar 22nd 2025. The morning temperature of 49°F is lowest at 7am with the daytime high of 73°F at 4pm and a low around 63°F at 11am is expected.
Barometric Pressure Today
The following chart reports hourly Saint Helena Island, SC barometric pressure that is past and forecasted for today, Sat Mar 22nd 2025. The highest pressure of 30.14inHg at 9am and lowest being 30.04inHg at 6pm.
Wind Speeds Today
The following chart reports hourly Saint Helena Island, SC wind speed data that is past and forecasted for today, Sat Mar 22nd 2025. The fastest wind is reported to be 10.3mph at 3pm, while the slowest is 4.9mph around 8am; expect wind gusts peaking 12.5mph at 5pm.
National Outlook
Wet Weekend Ahead for the Northwest and Storms in the Southeast: March 22-24
Get Ready for Diverse Weather - March 24th to 28th
Fri Mar 21st 2025, 9:28pm PDT