Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Polar air to bring October-like chill to 250 million in central, eastern US. Get the forecast Chevron right
Peak hurricane season is almost here, but where are the storms? Get answers here Chevron right

Harbor Square, IL

64°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Harbor Square

Illinois

64°
No results found.
Try searching for a city, zip code or point of interest.
settings
Harbor Square, 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

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Saturday, September 6

Day

9/6
67°Hi
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
More sunshine than clouds

Max UV Index6.0 (High)

AccuLumen Brightness Index™9 (Very Bright)

WindNW 8 mph

Wind Gusts18 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover33%

Morning

Afternoon

Night

9/6
57°Lo
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Variable clouds

WindNW 5 mph

Wind Gusts12 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover59%

Evening

Overnight

Sun & Moon

12 hrs 55 mins
Rise 6:21 AM
Set 7:16 PM
Waxing Gibbous
Rise 6:54 PM
Set 6:05 AM

Temperature History

9/6
High
Low
Forecast
67°
57°
Average
79°
62°
Last Year
73°
60°
Record
98°
1990
46°
1984

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Polar air to bring October-like chill to 250 million in U.S.

5 hours ago

Hurricane

Hurricane Katrina by the Numbers, 20 years later

11 hours ago

Hurricane

Labor Day is almost here. Where are the hurricanes?

5 hours ago

Weather Forecasts

Downpours to soak South and Central U.S. over Labor Day weekend

5 hours ago

Astronomy

2 more celestial sights to see before autumn's arrival

5 hours ago

 More Stories

Featured Stories

Astronomy

Polka-dotted sun: What are the dark areas that have appeared?

1 day ago

Travel

Gas hasn’t been this cheap on Labor Day since 2020

10 hours ago

Weather News

Why meteorological, astronomical fall start on different dates

8 hours ago
Live Blog

Clearing the air: Leaves are falling but it's not autumn yet

LATEST ENTRY

Why are there so many leaves falling? Is this an early autumn?

2 days ago

Weather News

Turtle with unique peanut-shaped shell turns 41 in Missouri

1 day ago
World North America United States Illinois Harbor Square

Weather Near Harbor Square:

  • Chicago, IL
  • Joliet, IL
  • Naperville, 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 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

...

...

...