Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Fall allergy season is underway. See where the worst pollen levels are expected. Chevron right
Hawaii on alert for new tropical rainstorm. Click for the track forecast. Chevron right

Joliet, IL

81°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Joliet

Illinois

81°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
Joliet, IL 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
Thursday, August 20

Day

8/20
82°Hi
RealFeel® 87°
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
Mostly sunny and less humid

Max UV Index8.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindENE 6 mph

Wind Gusts9 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover11%

Morning

Afternoon

Night

8/20
56°Lo
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy

WindSSE 5 mph

Wind Gusts6 mph

Probability of Precipitation4%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover47%

Evening

Overnight

Sun & Moon

13 hrs 39 mins
Rise 6:06 AM
Set 7:45 PM
Waxing Gibbous
Rise 2:52 PM
Set 11:36 PM

Temperature History

8/20
High
Low
Forecast
82°
56°
Average
82°
63°
Last Year
76°
66°
Record
91°
2023
49°
1992

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fall allergy forecast: Weed, grass pollen to surge in parts of US

1 hour ago

Hurricane

New tropical rainstorm is tracking toward Hawaii a week after Lala

2 hours ago

Hurricane

Atlantic hurricane forecast changes as peak season approaches

6 hours ago

Weather News

Lala leaves Hawaii communities buried in mud, communication cut off

7 hours ago

Weather News

New heat dome to build in western U.S., further exacerbating drought

12 hours ago

 More Stories

Featured Stories

Recreation

250-pound black bear dies after becoming trapped in Colorado car

2 hours ago

Climate

Warmer ocean waters draw more sharks to Southern California

1 day ago

Climate

Lake Powell sinks to record low as Colorado River crisis deepens

1 day ago

Recreation

American tourist dies after lightning strike on Mount Etna

1 day ago

Travel

Engine fan blade caused passenger to be partially sucked out window

1 day ago
World North America United States Illinois Joliet

Weather Near Joliet:

  • Chicago, IL
  • Naperville, IL
  • Rockford, IL
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

...

...

...