Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Severe storms sweep Northeast, teen struck by lightning in Central Park. Read more Chevron right
Dangerous heat wave to impact 170 million people in Midwest and Northeast. Details here Chevron right

Boulder, IL

69°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Boulder

Illinois

69°
No results found.
Try searching for a city, zip code or point of interest.
settings
Boulder, IL 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

Day

6/20
91°Hi
RealFeel® 96°
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
RealFeel Shade™ 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
Mostly sunny and hot; caution advised if doing strenuous activities outside

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindS 10 mph

Wind Gusts21 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover23%

Morning

Afternoon

Night

6/20
74°Lo
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear, warm and humid

WindS 9 mph

Wind Gusts18 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

14 hrs 52 mins
Rise 5:33 AM
Set 8:25 PM
Waning Crescent
Rise 1:38 AM
Set 3:17 PM

Temperature History

6/20
High
Low
Forecast
91°
74°
Average
84°
63°
Last Year
92°
69°

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Storms sweep Northeast, teen struck by lightning in Central Park

32 minutes ago

Weather Forecasts

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

1 hour ago

Severe Weather

‘Ring of fire’ storms to erupt on rim of building heat dome in US

3 hours ago

Astronomy

Meteorological summer vs. astronomical summer explained

3 days ago

Astronomy

NASA raises chance for asteroid to hit moon

1 hour ago

 More Stories

Featured Stories

Astronomy

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

52 minutes ago

Health

‘Nimbus’ COVID-19 variant arrives in U.S. after China surge

2 hours ago

Severe Weather

Rare high-elevation tornado confirmed at Pikes Peak

1 day ago

Weather News

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

1 day ago

Weather News

5 times the American flag survived extreme weather

3 days ago
World North America United States Illinois Boulder

Weather Near Boulder:

  • 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

...

...

...