Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Northeast weather to feel more like Thanksgiving than Memorial Day. See the temp forecast. Chevron right

Union, SC

71°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Union

South Carolina

71°
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
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

Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Sat, May 23

Cloudy and not as warm but humid with thunderstorms; thunderstorms can bring flash flooding and localized damaging wind gusts Hi: 75°

Tonight: Mostly cloudy and humid with a thunderstorm in one or two spots Lo: 65°

Current Weather

5:53 PM

71°F
RealFeel® 72°
Cloudy More Details
RealFeel Shade™ 71°
Wind ENE 4 mph
Wind Gusts 6 mph
Air Quality Fair

Union Weather Radar

Union Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

6 PM 72°
rain drop 62%
7 PM 71°
rain drop 49%
8 PM 70°
rain drop 34%
9 PM 69°
rain drop 34%
10 PM 68°
rain drop 40%
11 PM 68°
rain drop 51%
12 AM 67°
rain drop 47%
1 AM 67°
rain drop 40%
2 AM 66°
rain drop 34%
3 AM 66°
rain drop 34%
4 AM 65°
rain drop 40%
5 AM 65°
rain drop 51%

10-Day Weather Forecast

Today

5/23

75° 65°

Cloudy, t-storms; not as warm

Night: Humid with a t-storm in spots

98%

Sun

5/24

79° 68°

Cloudy, a thunderstorm; humid

Humid with a stray t-storm

55%

Mon

5/25

79° 70°

Cloudy, humid; a p.m. t-storm

A couple of evening t-storms

58%

Tue

5/26

82° 66°

Cloudy with a t-storm; humid

A couple of t-storms late

56%

Wed

5/27

83° 68°

Cloudy, a thunderstorm; humid

A shower early; cloudy, humid

55%

Thu

5/28

86° 67°

Humid; a p.m. shower or two

Partly cloudy and humid

70%

Fri

5/29

85° 67°

Humid with a little rain

Partly to mostly cloudy

56%

Sat

5/30

73° 59°

Cloudy with a few showers

Rain becoming steadier

55%

Sun

5/31

72° 58°

A.M. rain; otherwise, cloudy

Partly to mostly cloudy

79%

Mon

6/1

76° 60°

A p.m. shower in places

Clear to partly cloudy

49%

Sun & Moon

14 hrs 08 mins
Rise 6:19 AM
Set 8:27 PM
First Quarter
Rise 1:27 PM
Set 2:31 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Moderate Data is not supported in this location Mold Moderate Data is not supported in this location Grass Pollen Moderate Data is not supported in this location Dust & Dander High Data is not supported in this location

Top Stories

Severe Weather

Drenching, gusty storms will put damper on plans in Southeast, Plains

2 hours ago

Weather News

Southern California fires threaten homes and former nuclear site

1 day ago

Weather Forecasts

It will feel more like Thanksgiving than Memorial Day in the Northeast

3 hours ago

Hurricane

Hurricane season hasn't started, but one area is already being watched

3 hours ago

Weather News

State of Emergency declared for Utah drought after 'no-pack' winter

1 day ago

More Stories

Featured Stories

Astronomy

SpaceX unleashes upgraded Starship rocket in 12th test flight

19 hours ago

Health

Melanoma survivor shares warning for Don’t Fry Day: ‘I changed everyth...

1 day ago

Travel

Waymo recalls robotaxi fleet after one drove into Texas floodwaters

2 days ago

Recreation

It’s nearly Memorial Day, but this national park just had a snowstorm

3 days ago

Astronomy

Neptune’s moon Nereid may be survivor from ancient cosmic shake-up

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

...

...

...