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Saint Helena Island, SC Weather Conditions

Updated: Wed Jul 15th 2026 6:15 PM EDT

Patchy Light Rain With Thunder

79^°F 26^°C

Feels Like 84^°F / 29^°C

Saint Helena Island, SC weather condition is Patchy Light Rain With Thunder and 79°F.

Today's Weather in Saint Helena Island,SC

The current weather in Saint Helena Island SC as of 6:15 PM EDT on Wed Jul 15th 2026, has a sky condition of Patchy Light Rain With Thunder with the visibility of 6 mile(s) and the UV index at 1.4. It is 79 degrees fahrenheit but feels like 84 degrees. The barometric pressure is 30.02 - measured by inches of mercury - and is rising since its last observation. The humidity is 90 percent that's rising since the last report, with a dew point of 76 degrees fahrenheit which is rising. Wind direction is from the Southeast at 5.6 miles per hour, gusting at 7.7 miles per hour. Sunrise was at 6:26 AM and Sunset is at 8:30 PM. The moon phase is a New Moon moon rising at 7:21 AM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 6:26 AM

Sunset: 8:30 PM

As of:

Moon

Moonrise: 7:21 AM

Moonset: 9:39 PM

Phase: New Moon Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Sunny

Sunny with a high of 87°F and a low of 76°F. Probable rainfall forecasted, having a 67% chance with an estimated 0.12in. Winds will be light at 8mph at times. Expect high humidity with levels above 80% to 87%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 87° \| Lo 76°	87%	67% \| est. 0.12in	0%	7.2 mph

Sunny

Sunny with a high of 88°F and a low of 77°F. 19%% possible chance of rain predicted with an estimated 0.01in. Winds will be moderate, blowing around 12mph. The humidity will be on the higher side, reaching around 76%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 88° \| Lo 77°	76%	19% \| est. 0.01in	0%	11.2 mph

Sunny

Sunny with a high of 90°F and a low of 80°F. 36%% possible chance of rain predicted with an estimated 0.02in. Winds will be moderate, blowing around 13mph. The humidity will be on the higher side, reaching around 70%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 90° \| Lo 80°	70%	36% \| est. 0.02in	0%	12.8 mph

Sunny

Sunny with a high of 90°F and a low of 81°F. 36%% possible chance of rain predicted with an estimated 0.03in. Winds will be moderate, blowing around 19mph. The humidity will be on the higher side, reaching around 73%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 90° \| Lo 81°	73%	36% \| est. 0.03in	0%	19 mph

Sunny

Sunny with a high of 93°F and a low of 80°F. Probable rainfall forecasted, having a 57% chance with an estimated 0.06in. Winds will be moderate, blowing around 19mph. The humidity will be on the higher side, reaching around 65%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 93° \| Lo 80°	65%	57% \| est. 0.06in	0%	18.3 mph

Yesterday 5-Day Wind

Weather Radar Map

Hourly Temperature

The current temperature today is 79^°F. The morning temperature of 76°^F is lowest at 6am with the daytime high of 87°^F at 1pm and a low around 79°^F at 6pm is expected.

Hourly Barometric Pressure

The highest pressure today is 30.07^inHg at 9am and lowest being 30^inHg at 7pm.

Hourly Wind Speeds

The fastest wind is reported to be 7.2^mph at 6am, while the slowest is 1.6^mph around 10pm; expect wind gusts peaking 11.6^mph at 6am. View live wind conditions in Saint Helena Island

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