Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Tropical Storm Humberto forms off southeast US coast. Get the forecast. Chevron right

Grass Lake, IL

58°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Grass Lake

Illinois

58°
No results found.
Try searching for a city, zip code or point of interest.
settings
Grass Lake, 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

5 AM

54°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 22%
Chevron down
Mostly clear
alerts

Beach Hazards Statement

1:00 AM Wednesday - 7:00 AM Thursday

WindNNW 6 mph

Air QualityFair

Wind Gusts13 mph

Humidity95%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

53°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 22%
Chevron down
Mostly clear
alerts

Beach Hazards Statement

1:00 AM Wednesday - 7:00 AM Thursday

WindNNW 6 mph

Air QualityFair

Wind Gusts14 mph

Humidity97%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

54°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 26%
Chevron down
Mostly sunny

RealFeel Shade™52°

WindNNW 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts15 mph

Humidity94%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

57°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 32%
Chevron down
Partly sunny

RealFeel Shade™56°

WindNNW 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts16 mph

Humidity88%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

60°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 32%
Chevron down
Partly sunny

RealFeel Shade™58°

WindNNW 7 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts17 mph

Humidity83%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

64°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 36%
Chevron down
Partly sunny

RealFeel Shade™62°

WindNNW 8 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts18 mph

Humidity75%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

67°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny

RealFeel Shade™64°

WindNNW 8 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts17 mph

Humidity68%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ showers

RealFeel Shade™65°

WindNW 8 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts17 mph

Humidity60%

Indoor Humidity60% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Rain0.02 in

Visibility6 mi

Cloud Ceiling30000 ft

1 PM

72°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™69°

WindNW 8 mph

Air QualityFair

Max UV Index4.5 (Moderate)

Wind Gusts16 mph

Humidity55%

Indoor Humidity55% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover55%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™70°

WindNW 9 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts16 mph

Humidity53%

Indoor Humidity53% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™71°

WindWNW 9 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts16 mph

Humidity51%

Indoor Humidity51% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™70°

WindWNW 9 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts16 mph

Humidity52%

Indoor Humidity52% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™69°

WindWNW 8 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts15 mph

Humidity55%

Indoor Humidity55% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™68°

WindWNW 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts14 mph

Humidity59%

Indoor Humidity59% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 13%
Chevron down
Partly cloudy

WindW 6 mph

Air QualityFair

Wind Gusts13 mph

Humidity66%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

63°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity73%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

60°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 5 mph

Air QualityFair

Wind Gusts9 mph

Humidity79%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

57°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 5 mph

Air QualityFair

Wind Gusts9 mph

Humidity86%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

55°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity89%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Saturday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Tropical Storm Humberto forms, to become hurricane off US coast

2 hours ago

Severe Weather

Strong lightning strike destroys New Zealand radar

18 hours ago

Hurricane

Gabrielle to bring hurricane conditions to Azores, to threaten Europe

2 hours ago

Weather Forecasts

Widespread rain to ease drought, raise flood risk in Central, East

2 hours ago

Severe Weather

Autumn severe storms to move from Plains to Atlantic, Gulf coasts

2 hours ago

 More Stories

Featured Stories

Hurricane

Hurricane Rita forced one of largest US evacuations in wake of Katrina

1 day ago

Weather News

Fat Bear Week 2025 is the distraction everybody needs

1 day ago

Climate

Where ‘day-zero droughts’ could happen as soon as this decade

1 day ago

Hurricane

Nearly a year after Helene, reopening Blue Ridge Parkway brings hope

2 days ago

Astronomy

NASA selects new astronauts as it chases plans for the moon and Mars

2 days ago
World North America United States Illinois Grass Lake

Weather Near Grass Lake:

  • 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

...

...

...