Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Crystal Lake, IL

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

Crystal Lake

Illinois

81°
No results found.
Try searching for a city, zip code or point of interest.
settings
Crystal 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

October 6 - November 19

Mon 10/6

81° /55°
55%
Sun yielding to clouds and very warm; a thunderstorm in spots this afternoon; roads can be slippery due to rain

RealFeel®84°

RealFeel Shade™79°

Max UV Index2.0 (Low)

WindWSW 8 mph

Tue 10/7

69° /41°
55%
Not as warm; a passing morning shower, then periods of clouds and sunshine in the afternoon; feeling more like fall

RealFeel®69°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindN 10 mph

Wed 10/8

65° /40°
0%
Plenty of sun

RealFeel®68°

RealFeel Shade™62°

Max UV Index4.0 (Moderate)

WindNE 8 mph

Thu 10/9

64° /42°
0%
Plenty of sun

RealFeel®68°

RealFeel Shade™63°

Max UV Index4.0 (Moderate)

WindSE 6 mph

Fri 10/10

65° /46°
8%
Cloudy in the morning; intervals of clouds and sunshine in the afternoon

RealFeel®66°

RealFeel Shade™63°

Max UV Index2.0 (Low)

WindS 6 mph

Sat 10/11

67° /49°
3%
Mostly sunny

RealFeel®70°

RealFeel Shade™64°

Max UV Index4.0 (Moderate)

WindENE 7 mph

Sun 10/12

72° /53°
0%
Mostly sunny and pleasant

RealFeel®74°

RealFeel Shade™69°

Max UV Index4.0 (Moderate)

WindSE 7 mph

Mon 10/13

71° /52°
55%
Partly sunny with a shower in places

RealFeel®71°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindS 8 mph

Tue 10/14

65° /55°
55%
Mostly cloudy with a couple of showers in the afternoon

RealFeel®69°

RealFeel Shade™64°

Max UV Index4.0 (Moderate)

WindENE 6 mph

Wed 10/15

68° /54°
68%
Cloudy; a passing morning shower followed by periods of rain in the afternoon

RealFeel®65°

RealFeel Shade™65°

Max UV Index1.0 (Low)

WindNE 8 mph

Thu 10/16

67° /47°
57%
Rather cloudy with a little rain

RealFeel®65°

RealFeel Shade™63°

Max UV Index3.0 (Moderate)

WindS 15 mph

Fri 10/17

63° /43°
0%
Sunny

RealFeel®61°

RealFeel Shade™59°

Max UV Index3.0 (Moderate)

WindW 13 mph

Sat 10/18

61° /46°
0%
Plenty of sun

RealFeel®64°

RealFeel Shade™60°

Max UV Index3.0 (Moderate)

WindS 6 mph

Sun 10/19

60° /41°
25%
Considerable cloudiness

RealFeel®57°

RealFeel Shade™57°

Max UV Index1.0 (Low)

WindNW 12 mph

Mon 10/20

52° /34°
20%
Mostly sunny

RealFeel®53°

RealFeel Shade™47°

Max UV Index3.0 (Moderate)

WindW 7 mph

Tue 10/21

51° /34°
10%
Sunny

RealFeel®58°

RealFeel Shade™53°

Max UV Index3.0 (Moderate)

WindWSW 2 mph

Wed 10/22

52° /44°
55%
Cloudy with a little rain

RealFeel®47°

RealFeel Shade™47°

Max UV Index1.0 (Low)

WindE 8 mph

Thu 10/23

52° /46°
56%
Cloudy; a couple of morning showers followed by a little rain in the afternoon

RealFeel®46°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindE 13 mph

Fri 10/24

61° /41°
72%
Cloudy with rain tapering to a couple of showers

RealFeel®57°

RealFeel Shade™57°

Max UV Index1.0 (Low)

WindWSW 15 mph

Sat 10/25

51° /37°
25%
Remaining cloudy and cooler

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindW 13 mph

Sun 10/26

50° /34°
20%
Mostly sunny

RealFeel®51°

RealFeel Shade™46°

Max UV Index3.0 (Moderate)

WindS 7 mph

Mon 10/27

57° /38°
5%
Sunny

RealFeel®54°

RealFeel Shade™51°

Max UV Index3.0 (Moderate)

WindWSW 10 mph

Tue 10/28

50° /36°
25%
Mainly cloudy and cooler

RealFeel®42°

RealFeel Shade™42°

Max UV Index1.0 (Low)

WindW 13 mph

Wed 10/29

48° /33°
25%
Turning cloudy

RealFeel®44°

RealFeel Shade™44°

Max UV Index2.0 (Low)

WindW 8 mph

Thu 10/30

47° /32°
25%
Times of clouds and sun

RealFeel®48°

RealFeel Shade™46°

Max UV Index3.0 (Moderate)

WindWNW 6 mph

Fri 10/31

47° /33°
20%
Plenty of sunshine

RealFeel®48°

RealFeel Shade™45°

Max UV Index3.0 (Moderate)

WindWSW 7 mph

Sat 11/1

53° /41°
25%
Cloudy

RealFeel®49°

RealFeel Shade™49°

Max UV Index1.0 (Low)

WindSSW 9 mph

Sun 11/2

56° /35°
10%
Mostly sunny

RealFeel®57°

RealFeel Shade™53°

Max UV Index3.0 (Moderate)

WindW 9 mph

Mon 11/3

48° /38°
56%
Cloudy and cooler; a couple of showers in the morning followed by a little rain in the afternoon

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindSW 8 mph

Tue 11/4

46° /34°
20%
Partly sunny

RealFeel®40°

RealFeel Shade™38°

Max UV Index3.0 (Moderate)

WindNW 15 mph

Wed 11/5

45° /35°
25%
Clouds to start, then sunshine returns

RealFeel®38°

RealFeel Shade™36°

Max UV Index2.0 (Low)

WindS 13 mph

Thu 11/6

56° /30°
25%
Mostly cloudy

RealFeel®51°

RealFeel Shade™51°

Max UV Index1.0 (Low)

WindWNW 13 mph

Fri 11/7

43° /27°
25%
Mostly cloudy and cooler

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindWNW 12 mph

Sat 11/8

42° /27°
25%
Intervals of clouds and sunshine

RealFeel®45°

RealFeel Shade™40°

Max UV Index3.0 (Moderate)

WindW 6 mph

Sun 11/9

42° /28°
25%
Intervals of clouds and sunshine

RealFeel®49°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindWSW 1 mph

Mon 11/10

43° /31°
25%
Times of clouds and sun

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindSE 10 mph

Tue 11/11

55° /41°
55%
Cloudy with a little rain

RealFeel®47°

RealFeel Shade™47°

Max UV Index1.0 (Low)

WindS 15 mph

Wed 11/12

56° /37°
25%
Mostly cloudy

RealFeel®50°

RealFeel Shade™50°

Max UV Index1.0 (Low)

WindW 15 mph

Thu 11/13

49° /37°
25%
Mostly cloudy

RealFeel®46°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindS 7 mph

Fri 11/14

53° /35°
20%
Partly sunny

RealFeel®47°

RealFeel Shade™45°

Max UV Index2.0 (Low)

WindW 14 mph

Sat 11/15

47° /35°
25%
Cloudy

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindSE 6 mph

Sun 11/16

52° /36°
55%
Cloudy with a shower in places

RealFeel®47°

RealFeel Shade™47°

Max UV Index1.0 (Low)

WindNW 12 mph

Mon 11/17

50° /26°
66%
Periods of rain and freezing rain in the morning; otherwise, mostly cloudy

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindW 10 mph

Tue 11/18

42° /31°
0%
Plenty of sun

RealFeel®47°

RealFeel Shade™45°

Max UV Index2.0 (Low)

WindNNW 5 mph

Wed 11/19

43° /37°
4%
Rather cloudy

RealFeel®36°

RealFeel Shade™36°

Max UV Index1.0 (Low)

WindS 10 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

The First EF5 tornado since 2013 has been confirmed in North Dakota

56 minutes ago

Hurricane

Tropical wind and rainstorm to threaten East Coast with beach erosion,...

31 minutes ago

Weather Forecasts

Temperature swings and some much-needed rain on the way for the East

2 hours ago

Hurricane

Likely new Atlantic storm, Pacific 'canes to highlight week in tropics

24 minutes ago

Weather Forecasts

King tides are coming to the Southeast coast: here's what to know

2 hours ago

More Stories

Featured Stories

Travel

Blizzard strands hundreds on Mount Everest

1 hour ago

Astronomy

Draconid meteor shower 2025: How to see October's shooting stars

23 hours ago

Weather News

Moose stranded in Colorado canal hoisted to safety

5 hours ago

Weather News

Shutdown threatens to stall rural loans and flood insurance

3 days ago

Recreation

Tandem skydivers become separated, with one falling to his death

3 hours ago

World North America United States Illinois Crystal Lake

Weather Near Crystal 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 | Data Sources

...

...

...