Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Arthur to bring significant flooding to the Southeast. Click for the forecast. Chevron right

Union, SC

83°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Union

South Carolina

83°
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
Union, 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 Local Arthur Tracker Hourly

10-Day

Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

June 18 - July 2

Thu 6/18

88° /72°
90%
Local Hurricane Tracker
Arthur
Thu, 6/18, 4:00 PM - Fri, 6/19, 6:00 AM
Humid with a shower in spots late this morning; a couple of afternoon thunderstorms; thunderstorms can bring flash flooding and localized damaging wind gusts

RealFeel®99°

RealFeel Shade™91°

Max UV Index11.0 (Extreme)

WindSW 10 mph

Hours of Precipitation3

Hours of Rain3

Fri 6/19

88° /65°
55%
Cloudy and humid with a thunderstorm in parts of the area

RealFeel®96°

RealFeel Shade™92°

Max UV Index6.0 (High)

WindW 9 mph

Hours of Precipitation1

Hours of Rain1

Sat 6/20

89° /66°
3%
Partly sunny and less humid

RealFeel®98°

RealFeel Shade™87°

Max UV Index12.0 (Extreme)

WindNNW 6 mph

Sun 6/21

91° /70°
14%
Clouds and some glimpses of blue sky

RealFeel®100°

RealFeel Shade™90°

Max UV Index11.0 (Extreme)

WindSW 6 mph

Mon 6/22

88° /72°
55%
Breezy in the morning; otherwise, humid with sun breaking through clouds at times with a thunderstorm in the afternoon

RealFeel®95°

RealFeel Shade™91°

Max UV Index5.0 (Moderate)

WindSW 13 mph

Hours of Precipitation1

Hours of Rain1

Tue 6/23

88° /68°
55%
Mostly cloudy with a thunderstorm in spots in the afternoon

RealFeel®94°

RealFeel Shade™88°

Max UV Index6.0 (High)

WindW 9 mph

Hours of Precipitation0.5

Hours of Rain0.5

Wed 6/24

87° /69°
25%
Times of clouds and sun

RealFeel®99°

RealFeel Shade™92°

Max UV Index9.0 (Very High)

WindN 2 mph

Thu 6/25

87° /70°
55%
Mostly cloudy and humid with a thunderstorm in parts of the area

RealFeel®96°

RealFeel Shade™92°

Max UV Index4.0 (Moderate)

WindWSW 6 mph

Hours of Precipitation2

Hours of Rain2

Fri 6/26

86° /69°
58%
Mostly cloudy and humid with a couple of thunderstorms

RealFeel®103°

RealFeel Shade™95°

Max UV Index6.0 (High)

WindSW 6 mph

Hours of Precipitation3.5

Hours of Rain3.5

Sat 6/27

88° /69°
7%
Humid with times of sun and clouds

RealFeel®101°

RealFeel Shade™94°

Max UV Index11.0 (Extreme)

WindWSW 4 mph

Sun 6/28

91° /70°
55%
Partly sunny with a thunderstorm in spots in the afternoon

RealFeel®102°

RealFeel Shade™94°

Max UV Index12.0 (Extreme)

WindNNE 2 mph

Hours of Precipitation0.5

Hours of Rain0.5

Mon 6/29

91° /71°
66%
Rain at times

RealFeel®99°

RealFeel Shade™94°

Max UV Index6.0 (High)

WindSE 2 mph

Hours of Precipitation3.5

Hours of Rain3.5

Tue 6/30

90° /70°
61%
Occasional rain

RealFeel®99°

RealFeel Shade™94°

Max UV Index5.0 (Moderate)

WindSSE 4 mph

Hours of Precipitation3.5

Hours of Rain3.5

Wed 7/1

89° /69°
25%
Sun and some clouds

RealFeel®101°

RealFeel Shade™99°

Max UV Index12.0 (Extreme)

WindNE 6 mph

Thu 7/2

89° /70°
25%
Sun breaking through clouds at times

RealFeel®93°

RealFeel Shade™90°

Max UV Index6.0 (High)

WindSE 6 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Arthur makes landfall in Texas, to raise flood risk across southern US

3 hours ago

Severe Weather

Tornadoes, winds rip through Illinois causing widespread damage

27 minutes ago

Severe Weather

Severe storms to deliver strong winds, flash flooding on Thursday

3 hours ago

Weather News

Tropical Storm Arthur swamps cars in Texas as flood threat escalates

14 hours ago

Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Tropical Storm Arthur may impact travel to Houston World Cup match

23 hours ago

More Stories

Featured Stories

Weather News

South Florida wildfire sending smoke into nearby communities

15 hours ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

21 hours ago

Astronomy

Meteorological summer vs. astronomical summer explained

2 hours ago

Health

Pickle is the pumpkin spice of summer

2 days ago

Weather News

Submersible ride revealed whale graveyard. It holds more than bones

2 days ago

World North America United States South Carolina Union

Weather Near Union:

  • Columbia, SC
  • St. Andrews, SC
  • Sumter, 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

...

...

...