Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
New week brings new heat dome. Click to see how hot it will get. Chevron right

St. Helena Island, SC

84°F
Location Chevron down
Location News Videos
Use Current Location
Recent

St. Helena Island

South Carolina

84°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
St. Helena Island, SC Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

10-Day

Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

September 13 - September 27

Sun 9/13

95° /77°
88%
An evening thunderstorm in a couple of spots; otherwise, partly cloudy, warm and humid

RealFeel®84°

Cloud Cover44%

WindSW 7 mph

Wind Gusts9 mph

Total Hours of Precipitation1.5

Total Hours of Rain1.5

Mon 9/14

92° /77°
55%
Partly sunny, warm and humid; a shower in spots in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®106°

RealFeel Shade™98°

Max UV Index8.0 (Very High)

WindWSW 7 mph

Total Hours of Precipitation1

Total Hours of Rain1

Tue 9/15

85° /72°
84%
Partly sunny, windy and humid with a couple of showers

RealFeel®91°

RealFeel Shade™85°

Max UV Index7.0 (High)

WindENE 17 mph

Total Hours of Precipitation2

Total Hours of Rain2

Wed 9/16

84° /71°
0%
Mostly sunny and pleasant

RealFeel®90°

RealFeel Shade™84°

Max UV Index7.0 (High)

WindNE 9 mph

Thu 9/17

85° /73°
25%
Partly sunny

RealFeel®92°

RealFeel Shade™86°

Max UV Index7.0 (High)

WindNE 7 mph

Fri 9/18

86° /70°
55%
Partly sunny and humid with a thunderstorm

RealFeel®96°

RealFeel Shade™91°

Max UV Index7.0 (High)

WindE 8 mph

Total Hours of Precipitation1.5

Total Hours of Rain1.5

Sat 9/19

86° /73°
57%
Partly sunny and humid; a couple of showers in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®97°

RealFeel Shade™90°

Max UV Index7.0 (High)

WindENE 9 mph

Total Hours of Precipitation2

Total Hours of Rain2

Sun 9/20

85° /72°
55%
A thunderstorm in spots in the morning; otherwise, partly sunny and humid

RealFeel®95°

RealFeel Shade™90°

Max UV Index7.0 (High)

WindESE 6 mph

Total Hours of Precipitation1

Total Hours of Rain1

Mon 9/21

82° /68°
55%
Humid with intervals of clouds and sunshine; a thunderstorm in spots in the morning followed by a shower in spots in the afternoon

RealFeel®92°

RealFeel Shade™88°

Max UV Index7.0 (High)

WindSE 5 mph

Total Hours of Precipitation2

Total Hours of Rain2

Tue 9/22

84° /70°
61%
Considerable cloudiness with a couple of thunderstorms, especially early; humid

RealFeel®92°

RealFeel Shade™92°

Max UV Index4.0 (Moderate)

WindESE 6 mph

Total Hours of Precipitation2

Total Hours of Rain2

Wed 9/23

82° /66°
75%
Humid with solid cloud cover; periods of rain in the morning followed by a shower in spots in the afternoon

RealFeel®92°

RealFeel Shade™92°

Max UV Index3.0 (Moderate)

WindSE 4 mph

Total Hours of Precipitation3

Total Hours of Rain3

Thu 9/24

84° /67°
60%
Humid with periods of rain

RealFeel®90°

RealFeel Shade™90°

Max UV Index2.0 (Low)

WindNE 4 mph

Total Hours of Precipitation4

Total Hours of Rain4

Fri 9/25

82° /68°
76%
Humid with rain

RealFeel®85°

RealFeel Shade™85°

Max UV Index1.0 (Low)

WindNNE 9 mph

Total Hours of Precipitation8

Total Hours of Rain8

Sat 9/26

81° /67°
25%
Decreasing clouds and humid

RealFeel®84°

RealFeel Shade™83°

Max UV Index6.0 (High)

WindNE 16 mph

Sun 9/27

80° /70°
20%
Partly sunny and humid

RealFeel®83°

RealFeel Shade™80°

Max UV Index6.0 (High)

WindENE 10 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Atlantic sets no-hurricane record; Florida development zone watched

6 hours ago

Climate

August 2026 ties record for hottest month ever on Earth

8 hours ago

Recreation

Mystery of Canada’s disappearing island is mostly solved

2 days ago

Severe Weather

Drenching, gusty storms to wander across nation through mid-September

5 hours ago

Weather News

Super El Niño-fueled fires happening again

2 days ago

More Stories

Featured Stories

Weather News

Powerful waves erase Southern California beaches, threaten homes

2 days ago

Weather News

What is a seismic doublet?

3 days ago

Hurricane

Hurricane Lowell swipes Hawaii, knocking out power to Kaua'i

4 days ago

Severe Weather

1st lightning from Florida storm kills man before thunder could warn h...

2 days ago

Recreation

Alligator attacks child swimming in restricted Florida waters

4 days ago

World North America United States South Carolina St. Helena Island

Weather Near St. Helena Island:

  • Hilton Head Island, SC
  • Hinesville, GA
  • Savannah, GA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...