Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Dolly to approach Caribbean as a tropical rainstorm. Click to see the forecast. Chevron right
Fall Foliage Forecast: See where vibrant colors are expected in autumn. Chevron right

Johns Island, SC

80°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Johns Island

South Carolina

80°
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
Johns 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
Saturday, August 29

Current Weather

9:27 PM

80°F
Partly cloudy
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel®
91°
Heat Index
85°
Wind
E 3 mph
Wind Gusts
7 mph
Humidity
91%
Indoor Humidity
91% (Extremely Humid)
Dew Point
77° F
Pressure
↔ 30.13 in
Cloud Cover
36%
Visibility
10 mi
Cloud Ceiling
14500 ft

Night

8/29
76°Lo
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Mostly cloudy and humid with a thunderstorm in a couple of spots

WindE 5 mph

Wind Gusts8 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.14 in

Rain Amount0.14 in

Total Hours of Precipitation2

Total Hours of Rain2

Cloud Cover85%

Evening

Overnight

Sun & Moon

12 hrs 56 mins
Rise 6:53 AM
Set 7:49 PM
Waning Gibbous
Rise 8:35 PM
Set 9:15 AM

Temperature History

8/29
High
Low
Forecast
82°
76°
Average
85°
76°
Last Year
86°
70°

Current Weather Conditions in Johns Island

Johns Island, South Carolina is currently Partly cloudy with a temperature of 80°. The current RealFeel® Temperature is 91° (Hot) based on observed conditions including 91% humidity, 36% cloud cover, a UV index of 0, and winds of 3 mph. In shade, the RealFeel Shade™ is 91°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Johns Island, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Dolly to drench northern Caribbean, raise flood risk

8 hours ago

Severe Weather

Illinois sets US state record for most tornadoes in a year

1 day ago

Hurricane

Dolly could regroup as US tropical threats unfold as Labor Day nears

6 hours ago

Weather News

What caused the Nepal flood wave? Here’s what we know

2 days ago

Weather Forecasts

Heat dome to bounce back in Mississippi Valley, East as West cools

5 hours ago

More Stories

Featured Stories

Astronomy

NASA’s Roman Space Telescope set to launch Sunday

1 day ago

Weather News

Hummingbirds are migrating south. This map shows when they will leave

2 days ago

Weather News

Amazon rivers falling faster as El Niño intensifies

1 day ago

Health

As a measles outbreak escalates in Pennsylvania’s Amish Country

1 day ago

Climate

Global ocean heat breaks record months after its usual peak

3 days ago

World North America United States South Carolina Johns Island

Weather Near Johns Island:

  • Charleston, SC
  • Mount Pleasant, SC
  • North Charleston, SC
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

...

...

...