Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Hurricane season starts on Monday, and a storm may spin up soon. Get the details. Chevron right
Rounds of rain from Texas to Carolinas may lead to flash floods, drought relief. Click for info. Chevron right

Johnston, SC

87°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Johnston

South Carolina

87°
No results found.
Try searching for a city, zip code or point of interest.
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
Johnston, 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
Tuesday, May 26

Day

5/26
87°Hi
RealFeel® 99°
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 Shade™ 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
Humid; a shower in spots late this morning followed by a thunderstorm in parts of the area this afternoon; beneficial rain can lead to ponding on roadways
alerts

Flood Advisory

5:14 PM Tuesday - 7:15 PM Tuesday

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™4 (Dull)

WindSSW 6 mph

Wind Gusts14 mph

Probability of Precipitation55%

Probability of Thunderstorms41%

Precipitation0.09 in

Rain0.09 in

Hours of Precipitation2.5

Hours of Rain2.5

Cloud Cover70%

Morning

Afternoon

Night

5/26
69°Lo
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
A thunderstorm this evening; otherwise, cloudy and humid
alerts

Flood Advisory

5:14 PM Tuesday - 7:15 PM Tuesday

WindSSW 5 mph

Wind Gusts7 mph

Probability of Precipitation58%

Probability of Thunderstorms35%

Precipitation0.14 in

Rain0.14 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover95%

Evening

Overnight

Sun & Moon

14 hrs 09 mins
Rise 6:20 AM
Set 8:29 PM
Waxing Gibbous
Rise 4:27 PM
Set 3:49 AM

Temperature History

5/26
High
Low
Forecast
87°
69°
Average
87°
62°
Last Year
76°
64°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Summerlike midweek surge in Northeast to be chased by more chill

3 hours ago

Severe Weather

Woman dies after vehicle is swept away in Mississippi flash flooding

5 hours ago

Weather Forecasts

Flash flood risk, drought relief to grow from Texas to Carolinas

1 hour ago

Hurricane

Tropics could spring to life at end of May near southeast US

1 hour ago

Astronomy

Blue Moon, 4 planets to shine during the final weekend of May

1 day ago

 More Stories

Featured Stories

Weather News

Rescuers race to reach 7 villagers trapped for a week in flooded Laos ...

7 hours ago

Weather News

2 humpback whales traveled over 9,000 miles between Australia and Braz...

4 hours ago
Live Blog

Sun rises on a hot day in Germany

LATEST ENTRY

Brilliant sunrise in a grain field during Germany heat

1 day ago

Climate

Rising seas will swallow New Orleans. People need to start relocating ...

1 day ago

Astronomy

NASA spacecraft captures stunning crescent views of Mars

4 days ago
World North America United States South Carolina Johnston

Weather Near Johnston:

  • Augusta, GA
  • Evans, GA
  • Martinez, 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

...

...

...