Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Could another near U.S. coast Tropical Storm form soon? Click for details. Chevron right
Rounds of severe weather to affect Midwest, East. Click for more information. Chevron right

Grayslake, IL

90°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grayslake

Illinois

90°
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
Grayslake, 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
Sunday, July 26

Day

7/26
91°Hi
RealFeel® 106°
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™ 98°
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
Humid with shifting clouds and sun

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindWSW 7 mph

Wind Gusts16 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover41%

Morning

Afternoon

Night

7/26
75°Lo
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Becoming cloudy, warm and humid with a couple of heavy thunderstorms; thunderstorms can bring flooding downpours, hail and damaging wind gusts

WindSW 7 mph

Wind Gusts9 mph

Probability of Precipitation96%

Probability of Thunderstorms58%

Precipitation0.45 in

Rain0.45 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover76%

Evening

Overnight

Sun & Moon

14 hrs 40 mins
Rise 5:38 AM
Set 8:18 PM
Waxing Gibbous
Rise 6:51 PM
Set 3:21 AM

Temperature History

7/26
High
Low
Forecast
91°
75°
Average
82°
64°
Last Year
86°
71°
Record
95°
2020
N/A

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Southeast U.S. waters to remain tropical trouble spot in early August

4 hours ago

Hurricane

Hurricane Fausto churns in the East Pacific: is Hawaii at risk?

1 hour ago

Severe Weather

Severe storms to target Midwest, East with damaging winds into Tuesday

1 hour ago

Weather Forecasts

Heat dome to deliver extreme temperatures, high wildfire risk to West

3 hours ago

Weather Forecasts

Wildfire smoke spreads as northwestern US fires multiply

1 hour ago

 More Stories

Featured Stories

Weather News

2 dead after historic flooding swamps West Virginia

2 days ago

Weather News

Flood rescuers work to reunite displaced Texas pets

4 days ago

Weather News

Hot car death near Fort Myers is Florida’s fifth this year

3 days ago

Weather News

5 dead after rescue attempts in fast-moving Ohio river

5 days ago

Weather News

Glimpse what life was like for survivors of the Pompeii disaster

4 days ago
World North America United States Illinois Grayslake

Weather Near Grayslake:

  • 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 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

...

...

...