Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe storms with damaging winds to focus on central, eastern US. Click for the forecast. Chevron right

Union, SC

68°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Union

South Carolina

68°
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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

7 AM

68°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 4%
Chevron down
Partly sunny

RealFeel Shade™69°

WindS 4 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts4 mph

Humidity83%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover36%

Visibility10 mi

Cloud Ceiling33000 ft

8 AM

70°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™70°

WindSSW 6 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts6 mph

Humidity81%

Indoor Humidity81% (Humid)

Dew Point64° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

73°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™73°

WindSSW 6 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts6 mph

Humidity74%

Indoor Humidity74% (Humid)

Dew Point64° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

77°
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
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™77°

WindSSW 5 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts6 mph

Humidity65%

Indoor Humidity65% (Humid)

Dew Point65° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

81°
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
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™81°

Heat Index83°

WindSSW 6 mph

Air QualityFair

Max UV Index7.6 (Very High)

Wind Gusts7 mph

Humidity57%

Indoor Humidity57% (Humid)

Dew Point65° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

84°
RealFeel® 95°
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
rain drop 7%
Chevron down
Partly sunny

RealFeel Shade™84°

Heat Index86°

WindSSW 6 mph

Air QualityFair

Max UV Index10.2 (Very High)

Wind Gusts9 mph

Humidity50%

Indoor Humidity50% (Humid)

Dew Point64° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

86°
RealFeel® 97°
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
rain drop 10%
Chevron down
Intermittent clouds

RealFeel Shade™85°

Heat Index87°

WindS 6 mph

Air QualityFair

Max UV Index11.2 (Extreme)

Wind Gusts10 mph

Humidity45%

Indoor Humidity45% (Humid)

Dew Point63° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover59%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

88°
RealFeel® 94°
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
rain drop 43%
Chevron down
Cloudy

RealFeel Shade™86°

Heat Index88°

WindS 6 mph

Air QualityFair

Max UV Index5.4 (Moderate)

Wind Gusts12 mph

Humidity41%

Indoor Humidity41% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

89°
RealFeel® 92°
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
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™87°

Heat Index89°

WindS 6 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts12 mph

Humidity39%

Indoor Humidity39% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling25600 ft

4 PM

87°
RealFeel® 84°
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
rain drop 51%
Chevron down
Thunderstorms

RealFeel Shade™82°

Heat Index87°

WindS 6 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts13 mph

Humidity44%

Indoor Humidity44% (Humid)

Dew Point63° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

5 PM

84°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 54%
Chevron down
Thunderstorms

RealFeel Shade™81°

Heat Index85°

WindS 6 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts13 mph

Humidity50%

Indoor Humidity50% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

6 PM

84°
RealFeel® 84°
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
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™84°

Heat Index85°

WindS 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts12 mph

Humidity50%

Indoor Humidity50% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling16200 ft

7 PM

83°
RealFeel® 83°
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
rain drop 42%
Chevron down
Cloudy

RealFeel Shade™83°

Heat Index84°

WindSSW 5 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts10 mph

Humidity52%

Indoor Humidity52% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling15400 ft

8 PM

80°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™80°

Heat Index82°

WindWNW 4 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts9 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

78°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindN 5 mph

Air QualityFair

Wind Gusts8 mph

Humidity64%

Indoor Humidity64% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling11300 ft

10 PM

76°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindNNE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity72%

Indoor Humidity72% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7900 ft

11 PM

73°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 68%
Chevron down
Thunderstorms

WindNNE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.12 in

Visibility4 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Union

AccuWeather's hourly forecast for Union provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 68° with a RealFeel® of 69°, partly sunny with a 4% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms with damaging winds to focus on central US

1 hour ago

Weather Forecasts

Northeast temps to crash 25° to 50°F ahead of Memorial Day weekend

1 hour ago

Weather News

Man rescued from Santa Rosa Island; SOS written on charred landscape

19 hours ago

Hurricane

Hurricane Hunters will drop new drone into Atlantic hurricanes to meas...

18 hours ago

Weather Forecasts

Memorial Day weekend: wet in East, Southeast; mostly dry in the West

58 minutes ago

 More Stories

Featured Stories

Recreation

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

17 hours ago

Hurricane

Hurricane Hunters will drop new drone into Atlantic hurricanes to meas...

18 hours ago

Astronomy

SpaceX poised for first Starship flight test of 2026 following delays

1 day ago

Weather News

California gray wolf is spotted in Sequoia, marking historic return

1 day ago

Weather News

India scorched by heat wave, power demand driven to new record

1 day ago
World North America United States South Carolina Union

Weather Near Union:

  • Asheville, NC
  • Greenville, SC
  • Spartanburg, 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

...

...

...