Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Dangerous heat wave to impact 170 million people in Midwest and Northeast. Details here Chevron right
Erick to continue as tropical rainstorm following landfall as major hurricane in Mexico Chevron right

Union, MO

66°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Union

Missouri

66°
No results found.
Try searching for a city, zip code or point of interest.
settings
Union, MO Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Friday, June 20

Current Weather

12:21 AM

66°F
Clear
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
67°
Wind
WSW 1 mph
Wind Gusts
2 mph
Humidity
92%
Indoor Humidity
86% (Humid)
Dew Point
64° F
Pressure
↑ 30.00 in
Cloud Cover
0%
Visibility
12 mi
Cloud Ceiling
40000 ft

Day

6/20
94°Hi
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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™ 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
Sunshine and hot

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSSW 9 mph

Wind Gusts21 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover6%

Morning

Afternoon

Night

6/20
74°Lo
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, warm and humid

WindSSW 7 mph

Wind Gusts20 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 51 mins
Rise 5:40 AM
Set 8:31 PM
Waning Crescent
Rise 1:45 AM
Set 3:23 PM

Temperature History

6/20
High
Low
Forecast
94°
74°
Average
86°
65°
Last Year
91°
70°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Heat wave to push temps near 100 F across central, eastern US

9 hours ago

Hurricane

Erick to continue as tropical rainstorm following major hurricane

5 hours ago

Severe Weather

Damaging, disruptive storms to target NYC, Philly and DC

9 hours ago

Recreation

Lightning strikes hikers, prompts record rescue on Colorado mountain

10 hours ago

Astronomy

SpaceX's Starship explodes in pre-flight test

15 hours ago

 More Stories

Featured Stories

Severe Weather

Rare high-elevation tornado confirmed at Pikes Peak

1 day ago

Astronomy

Summer solstice: Everything to know about the year's longest day

15 hours ago

Astronomy

Meteorological summer vs. astronomical summer explained

3 days ago

Weather News

5 times the American flag survived extreme weather

3 days ago

Weather News

First methane-powered sea spiders found crawling on the ocean floor

1 day 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 RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...