Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Rounds of rain from Texas to Carolinas may lead to flash floods, drought relief. Click for info. Chevron right
After a soggy & chilly Memorial Day weekend, drier weather will return to the Northeast. Details. Chevron right

Union, MO

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

Union

Missouri

80°
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, MO 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
Monday, May 25

Day

5/25
82°Hi
RealFeel® 89°
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
RealFeel Shade™ 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Nice with sunshine mixing with some clouds

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindESE 6 mph

Wind Gusts16 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover18%

Morning

Afternoon

Night

5/25
56°Lo
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Increasing clouds

WindENE 4 mph

Wind Gusts6 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover51%

Evening

Overnight

Sun & Moon

14 hrs 32 mins
Rise 5:45 AM
Set 8:17 PM
Waxing Gibbous
Rise 3:09 PM
Set 2:57 AM

Temperature History

5/25
High
Low
Forecast
82°
56°
Average
79°
57°
Last Year
61°
53°

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

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

3 hours ago

Weather News

Magnitude 6.0 earthquake shakes Hawaii’s Big Island; no tsunami threat

10 hours ago

Weather Forecasts

After chilly, soggy holiday weekend, Northeast to turn warmer & drier

6 hours ago

Hurricane

Tropical Atlantic could spring to life at end of May near southeast US

3 hours ago

Astronomy

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

10 hours ago

 More Stories

Featured Stories

Weather News

Australian spearfisher killed in shark attack off Great Barrier Reef

11 hours ago
Live Blog

Sun rises on a hot day in Germany

LATEST ENTRY

Brilliant sunrise in a grain field during Germany heat

8 hours ago

Climate

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

9 hours ago

Health

3 Red Cross volunteers among suspected Ebola deaths

10 hours ago

Astronomy

NASA spacecraft captures stunning crescent views of Mars

3 days ago
World North America United States Missouri Union

Weather Near Union:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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

...

...

...