Saint Helena Island, SC

Weather

As ofJul 06, 2026 4:24 PM

Current Temperature

86degrees Fahrenheit

Feels like:97°

Hi:86°Lo:82°

Mostly Sunny

Saint Helena Island, SC weather radar map

Windchill: 97°
Daily Rain: --"
Dew point: 77°
Monthly Rain: 0"
Humidity: 76%
Avg. Wind: S 11 mph
Pressure: --"
Wind Gust: -- mph
Sunrise: 6:20 AM
Moon: Waning Gibbous
Sunset: 8:32 PM
UV Index: 11 (Extreme)

Today
Hi
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Heat index values up to 111. South winds 10 to 15 mph. Chance of rain 20 percent.
Tonight
Lo
Partly cloudy with a slight chance of showers and thunderstorms. Lows around 80. Heat index values up to 107 early in the evening. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Saint Helena Island, SC 10-day weather forecast

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Air Quality Index: 22|Fair
Top Triggers:: pm25

View Today's Air Quality details for Saint Helena Island, SC

Pollen Count: 3.6|Low-Medium
Predominant Pollen:: Grass

Saint Helena Island, SC Pollen forecast details

Closest strike in the last 30 minutes:81.2 miles

No Lightning Nearby

Saint Helena Island, SC real-time lightning alerts & live Map

Today's Severe Weather Outlook

Slow-Moving Disturbance Set to Soak Northeast

Periods of rain and embedded thunderstorms will occur across parts of southern New England into the northern Mid-Atlantic today into Tuesday. Some of the rain will be heavy at times and could lead to localized flooding concerns.

Tuesday's Weather Outlook

Tuesday's Weather Outlook

Drought Monitor for July 2, 2026

Stormy, Soggy Summertime Leads to Widespread Drought Improvements

This house is flooded by the Cross Lake near Shreveport, La. Submitted by WeatherBug user Mary Nash on March 9, 2016.

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Dry and cracking mud (Wikimedia Commons)

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Young bearded man using electric fan at home. (EugeneEdge via Shutterstock)

How to Stay Cool When There's No A.C.

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