For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Triple flood threat in the central US fueled by Pacific hurricanes. Click to read the forecast.

Heat to precede another wet weekend in the East. Click for the forecast.

DeKalb, IL

Location

Location News Videos

Use Current Location

Recent

DeKalb

Illinois

No results found.

Try searching for a city, zip code or point of interest.

Create Your Account Unlock extended daily and hourly forecasts — all with your free account.

Have an account already? Log In

settings

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

Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

5 PM

77°

RealFeel® 76°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Intermittent clouds

RealFeel Shade™74°

WindS 8 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts16 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling29900 ft

6 PM

73°

RealFeel® 72°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Intermittent clouds

RealFeel Shade™72°

WindSSE 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts14 mph

Humidity49%

Indoor Humidity49% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling20800 ft

7 PM

70°

RealFeel® 67°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Cloudy

WindSSE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity59%

Indoor Humidity59% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling19000 ft

8 PM

67°

RealFeel® 65°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

1%

Cloudy

WindSSE 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity63%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling19100 ft

9 PM

65°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

1%

Cloudy

WindSSE 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity68%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling19100 ft

10 PM

63°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

1%

Cloudy

WindSSE 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity72%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling19100 ft

11 PM

62°

RealFeel® 59°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Cloudy

WindSSE 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity74%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling15100 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 77° with a RealFeel® of 76°, intermittent clouds 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

Thursday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Triple threat flood threat in the central US fueled by hurricanes

1 hour ago

Weather News

Water rescues underway as Pacific hurricane moisture floods Southwest

32 minutes ago

Weather News

3 days of weather chaos: Nor’easter, hurricanes and a ‘zombie storm’

8 hours ago

Weather Forecasts

The East’s hottest weather for rest of 2026 to precede wet weekend

2 hours ago

Hurricane

A 121-year-old Atlantic hurricane record could be broken in October

2 hours ago

Featured Stories

Weather News

About 200 sea turtle eggs moved from California nests ahead of Polo

8 hours ago

Astronomy

October stargazing: Best time to see Saturn, meteors from Halley's Com...

1 day ago

Climate

What are Kelvin waves, and what do they mean for El Niño?

6 hours ago

Weather News

4 dead, 12 missing after Nepal avalanche

1 day ago

Weather News

The newest pandas in the US have arrived in Atlanta. What we know abou...

1 day 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

...

...

...