Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Rainy weekend ahead for parts of Northeast, Midwest. Click for the forecast. Chevron right

DeKalb, IL

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

DeKalb

Illinois

65°
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
DeKalb, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

3 AM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 67%
Chevron down
Rain

WindNNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity97%

Indoor Humidity87% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover74%

Rain0.01 in

Visibility6 mi

Cloud Ceiling8000 ft

4 AM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 75%
Chevron down
Rain

WindNNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity100%

Indoor Humidity88% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

5 AM

65°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindNNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity100%

Indoor Humidity89% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling4800 ft

6 AM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 79%
Chevron down
Rain

WindNNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity100%

Indoor Humidity90% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.04 in

Visibility6 mi

Cloud Ceiling2600 ft

7 AM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 79%
Chevron down
Rain

RealFeel Shade™62°

WindNNE 5 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts5 mph

Humidity100%

Indoor Humidity90% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.04 in

Visibility6 mi

Cloud Ceiling500 ft

8 AM

66°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 72%
Chevron down
Rain

RealFeel Shade™63°

WindNE 5 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts6 mph

Humidity100%

Indoor Humidity92% (Humid)

Dew Point66° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.05 in

Visibility5 mi

Cloud Ceiling700 ft

9 AM

67°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™69°

WindENE 5 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts6 mph

Humidity98%

Indoor Humidity96% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling900 ft

10 AM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 72%
Chevron down
Rain

RealFeel Shade™68°

WindENE 5 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts6 mph

Humidity94%

Indoor Humidity94% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.05 in

Visibility5 mi

Cloud Ceiling1100 ft

11 AM

71°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™72°

WindENE 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts6 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling1400 ft

12 PM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 69%
Chevron down
Rain

RealFeel Shade™71°

WindNE 6 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts7 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.05 in

Visibility5 mi

Cloud Ceiling1700 ft

1 PM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 69%
Chevron down
Rain

RealFeel Shade™72°

WindNE 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts7 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.05 in

Visibility5 mi

Cloud Ceiling2000 ft

2 PM

75°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Showers

RealFeel Shade™74°

WindNE 6 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts7 mph

Humidity80%

Indoor Humidity80% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.01 in

Visibility6 mi

Cloud Ceiling2000 ft

3 PM

74°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™76°

WindNE 5 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts6 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

4 PM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™76°

WindNE 5 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts8 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

5 PM

72°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™74°

WindNE 6 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts8 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

6 PM

72°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™72°

WindNE 6 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts8 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

7 PM

71°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 27%
Chevron down
Cloudy

RealFeel Shade™71°

WindNE 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts8 mph

Humidity85%

Indoor Humidity85% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2100 ft

8 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 13%
Chevron down
Cloudy

WindNE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity89%

Indoor Humidity89% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling3700 ft

9 PM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 13%
Chevron down
Cloudy

WindNE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity92%

Indoor Humidity88% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling5400 ft

10 PM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 13%
Chevron down
Cloudy

WindENE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity92%

Indoor Humidity86% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

11 PM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 13%
Chevron down
Cloudy

WindNE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity93%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling5900 ft

Hourly Weather Forecast for DeKalb

AccuWeather's hourly forecast for DeKalb provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 65° with a RealFeel® of 64°, rain with a 67% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Flooding rain risk to return to Plains, Midwest and Northeast

12 hours ago

Hurricane

2026 Atlantic hurricane season: 2 areas could boost tropical activity

19 hours ago

Weather News

K9 teams search Grand Canyon flood debris for missing hiker

2 days ago

Weather Forecasts

American monsoon surge to bring flood, wildfire risks to western US

14 hours ago

Weather News

Weather could shape 2028 Olympic surfing medals in California

12 hours ago

 More Stories

Featured Stories

Recreation

Man and his dog found alive after 7 days in remote Wyoming wilderness

16 hours ago

Weather News

Fast-moving Palos Fire damages homes, injures 2 near Los Angeles

1 day ago

Recreation

Rubber ducks, AirPods and 280 hats: Yellowstone’s strangest trash of 2...

1 day ago

Climate

Why summer heat is sending more Americans to the ER

2 days ago

Climate

Risk of 'extraordinary' coastal El Niño rises in Peru

16 hours ago
World North America United States Illinois DeKalb

Weather Near DeKalb:

  • 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

...

...

...