Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
As a new heat dome builds, western U.S. wildfires will increase. More information here. Chevron right
The risk of flash flooding has shifted to coastal areas of the southeastern U.S. Click for details. Chevron right

Grant Park, IL

65°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grant Park

Illinois

65°
No results found.
Try searching for a city, zip code or point of interest.
settings
Grant Park, 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

August 2 - September 15

Sat 8/2

75° /53°
0%
Clear and cool

RealFeel®52°

Cloud Cover9%

WindNE 5 mph

Wind Gusts12 mph

Sun 8/3

79° /56°
0%
Pleasant with plenty of sunshine

RealFeel®84°

RealFeel Shade™76°

Max UV Index9 (Very High)

WindE 7 mph

Mon 8/4

80° /63°
1%
Hazy sunshine

RealFeel®88°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindE 7 mph

Tue 8/5

84° /61°
40%
Partly sunny and humid with a thunderstorm in spots

RealFeel®92°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindESE 6 mph

Wed 8/6

83° /66°
40%
Mostly sunny and humid; a thunderstorm in spots in the afternoon

RealFeel®96°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindESE 4 mph

Thu 8/7

84° /65°
7%
Humid with sun and areas of high clouds

RealFeel®96°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindSSW 5 mph

Fri 8/8

87° /66°
12%
Mostly cloudy and humid

RealFeel®94°

RealFeel Shade™89°

Max UV Index5 (Moderate)

WindS 6 mph

Sat 8/9

87° /68°
39%
Partly sunny, warm and humid; a thunderstorm in parts of the area in the morning, watch for a strong thunderstorm in the afternoon

RealFeel®97°

RealFeel Shade™94°

Max UV Index8 (Very High)

WindS 8 mph

Sun 8/10

85° /67°
71%
Mostly cloudy and humid with a couple of thunderstorms, especially late in the day

RealFeel®95°

RealFeel Shade™94°

Max UV Index6 (High)

WindSW 8 mph

Mon 8/11

84° /63°
56%
Cloudy and humid; a little morning rain followed by a shower in spots in the afternoon

RealFeel®93°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindSW 5 mph

Tue 8/12

85° /62°
56%
Clouds breaking for some sun; a little morning rain followed by a passing shower in the afternoon

RealFeel®89°

RealFeel Shade™85°

Max UV Index6 (High)

WindWSW 5 mph

Wed 8/13

86° /64°
1%
Mostly sunny

RealFeel®92°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindNNW 4 mph

Thu 8/14

84° /66°
40%
A shower in places in the morning; otherwise, mostly sunny

RealFeel®92°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindNNE 4 mph

Fri 8/15

82° /62°
10%
Mostly sunny

RealFeel®90°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindESE 2 mph

Sat 8/16

85° /65°
10%
Mostly sunny

RealFeel®93°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindSSW 2 mph

Sun 8/17

85° /66°
5%
Humid with plenty of sun

RealFeel®95°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindSW 4 mph

Mon 8/18

86° /67°
25%
Humid with more sunshine than clouds

RealFeel®96°

RealFeel Shade™90°

Max UV Index8 (Very High)

WindSSW 5 mph

Tue 8/19

85° /66°
25%
Humid with sunshine and some clouds

RealFeel®97°

RealFeel Shade™91°

Max UV Index8 (Very High)

WindWNW 4 mph

Wed 8/20

84° /65°
25%
Partly sunny and humid

RealFeel®90°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindN 7 mph

Thu 8/21

82° /63°
20%
Abundant sunshine

RealFeel®88°

RealFeel Shade™80°

Max UV Index8 (Very High)

WindN 6 mph

Fri 8/22

82° /65°
20%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™81°

Max UV Index8 (Very High)

WindNNE 4 mph

Sat 8/23

84° /65°
10%
Mostly sunny

RealFeel®89°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindSSE 6 mph

Sun 8/24

85° /64°
10%
Mostly sunny

RealFeel®89°

RealFeel Shade™82°

Max UV Index7 (High)

WindS 6 mph

Mon 8/25

85° /66°
5%
Warm with sunshine

RealFeel®87°

RealFeel Shade™83°

Max UV Index7 (High)

WindS 8 mph

Tue 8/26

84° /65°
41%
Warm and humid with periods of clouds and sunshine; a thundershower in spots in the afternoon

RealFeel®87°

RealFeel Shade™85°

Max UV Index7 (High)

WindSSW 8 mph

Wed 8/27

82° /63°
25%
Humid with partial sunshine

RealFeel®91°

RealFeel Shade™85°

Max UV Index7 (High)

WindW 5 mph

Thu 8/28

80° /64°
25%
Humid with sun yielding to clouds

RealFeel®83°

RealFeel Shade™82°

Max UV Index5 (Moderate)

WindNNE 5 mph

Fri 8/29

79° /64°
20%
Partly sunny and humid

RealFeel®85°

RealFeel Shade™79°

Max UV Index7 (High)

WindE 7 mph

Sat 8/30

82° /63°
20%
Clouds to start, then sunshine returns

RealFeel®86°

RealFeel Shade™82°

Max UV Index7 (High)

WindE 6 mph

Sun 8/31

84° /64°
25%
Humid with times of clouds and sun

RealFeel®88°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindESE 2 mph

Mon 9/1

84° /64°
25%
Humid with times of clouds and sun

RealFeel®88°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSW 4 mph

Tue 9/2

83° /63°
25%
Cloudy, warm and humid

RealFeel®89°

RealFeel Shade™89°

Max UV Index2 (Low)

WindENE 5 mph

Wed 9/3

84° /64°
25%
Cloudy, warm and humid

RealFeel®85°

RealFeel Shade™85°

Max UV Index2 (Low)

WindSSW 9 mph

Thu 9/4

83° /63°
40%
Mostly cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®87°

RealFeel Shade™87°

Max UV Index3 (Moderate)

WindN 4 mph

Fri 9/5

83° /62°
10%
Mostly sunny

RealFeel®89°

RealFeel Shade™82°

Max UV Index6 (High)

WindNNE 5 mph

Sat 9/6

82° /62°
20%
Plenty of sunshine

RealFeel®87°

RealFeel Shade™80°

Max UV Index6 (High)

WindE 5 mph

Sun 9/7

83° /61°
25%
Turning out cloudy and warm

RealFeel®81°

RealFeel Shade™81°

Max UV Index3 (Moderate)

WindSSE 6 mph

Mon 9/8

81° /62°
61%
A couple of morning showers and a thunderstorm; otherwise, humid with considerable cloudiness

RealFeel®82°

RealFeel Shade™82°

Max UV Index1 (Low)

WindNNW 7 mph

Tue 9/9

79° /61°
25%
Humid with times of clouds and sun

RealFeel®82°

RealFeel Shade™79°

Max UV Index2 (Low)

WindWNW 2 mph

Wed 9/10

82° /61°
25%
Mostly sunny and warm

RealFeel®87°

RealFeel Shade™82°

Max UV Index6 (High)

WindWNW 5 mph

Thu 9/11

82° /60°
20%
Less humid with sunshine

RealFeel®84°

RealFeel Shade™79°

Max UV Index6 (High)

WindNE 6 mph

Fri 9/12

83° /58°
40%
Partly sunny, warm and humid with a thundershower in spots

RealFeel®94°

RealFeel Shade™89°

Max UV Index5 (Moderate)

WindW 4 mph

Sat 9/13

82° /58°
1%
Mostly sunny, warm and humid

RealFeel®88°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindS 7 mph

Sun 9/14

84° /59°
25%
Partly sunny, humid and remaining warm

RealFeel®92°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindSSW 6 mph

Mon 9/15

70° /47°
0%
Partly sunny and less humid

RealFeel®71°

RealFeel Shade™68°

Max UV Index5 (Moderate)

WindNW 10 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Northeast's weather fate for upcoming week depends on dry air wedge

10 hours ago

Severe Weather

Torrential rain, deadly flash flooding slam I-95 corridor

7 hours ago

Severe Weather

Torrential downpours to pose dangerous flash flood risk in Southeast

6 hours ago

Astronomy

3 big astronomy events packed into 1 week in August sky

1 day ago

Weather Forecasts

Building western US heat dome may set records, cause fires to surge

7 hours ago

More Stories

Featured Stories

Weather News

Weather sparks firefly mania, but will it last?

1 day ago

Live Blog

Clearing the air: Heat index of 182 degrees in Iran likely false

LATEST ENTRY

Heat index challenges world record, but is it real?

1 day ago

Travel

US Navy F-35 crashes in California, pilot ejects safely

2 days ago

Severe Weather

How to tell how far away lightning is by counting

2 days ago

Travel

Flights at UK airports hit by major technical issue

2 days ago

World North America United States Illinois Grant Park

Weather Near Grant Park:

  • 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

...

...

...