Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Chemical spill in Ohio amid zero-visibility fog. Click for details. Chevron right
Southwest soaker: Storm to unleash rain, severe weather. See the forecast. Chevron right

DeKalb, IL

64°F
Location Chevron down
Location News Videos
Use Current Location
Recent

DeKalb

Illinois

64°
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

11 AM

68°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™65°

WindNNE 2 mph

Air QualityPoor

Max UV Index2.5 (Low)

Wind Gusts4 mph

Humidity56%

Indoor Humidity55% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility1.00 mi

Cloud Ceiling30000 ft

12 PM

70°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™67°

WindENE 2 mph

Air QualityPoor

Max UV Index3.0 (Moderate)

Wind Gusts4 mph

Humidity53%

Indoor Humidity53% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility2 mi

Cloud Ceiling30000 ft

1 PM

71°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™70°

WindE 2 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts4 mph

Humidity49%

Indoor Humidity49% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility4 mi

Cloud Ceiling30000 ft

2 PM

73°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™71°

WindE 4 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts4 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

74°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™72°

WindE 4 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts4 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

73°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™71°

WindE 4 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts5 mph

Humidity44%

Indoor Humidity44% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

70°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™68°

WindESE 5 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts5 mph

Humidity50%

Indoor Humidity50% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™65°

WindESE 6 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts6 mph

Humidity57%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 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

WindESE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity67%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

60°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity71%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

57°
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

WindE 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity78%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

54°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity84%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

52°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity89%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 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 68° with a RealFeel® of 70°, fog with a 0% 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

Hurricane

Subtropical Storm Josephine forms in Atlantic

4 hours ago

Weather News

Toledo chemical release continues as evacuation zone shrinks

1 hour ago

Weather News

NC Highway 12 washed away for second time in a month by nor’easters

23 hours ago

Weather Forecasts

Southwest U.S. braces for flooding rain, severe storms into late week

4 hours ago

Hurricane

Tropical Storm Vance forms in Pacific, to approach southwest Mexico

4 hours ago

 More Stories

Featured Stories

Hurricane

Eastern Pacific blasts past seasonal hurricane records, thanks to El N...

1 day ago

Weather News

NC Highway 12 washed away for second time in a month by nor’easters

23 hours ago

Astronomy

Mysterious object found in Minnesota may have fallen from space

23 hours ago

Recreation

New Hampshire’s ‘hanging boulder’ falls after a century

2 hours ago

Recreation

Rockslide kills bicyclist on popular trail at Ohiopyle State Park

2 days 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

...

...

...