Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Northeast weather to feel more like Thanksgiving than Memorial Day. See the temp forecast. Chevron right

Decatur, IL

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

Decatur

Illinois

65°
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.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Decatur, 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

8 PM

66°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Showers

RealFeel Shade™61°

WindENE 8 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts12 mph

Humidity81%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility8 mi

Cloud Ceiling1800 ft

9 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindENE 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity84%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1900 ft

10 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindENE 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity85%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

11 PM

64°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 33%
Chevron down
Cloudy

WindENE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity86%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1700 ft

Hourly Weather Forecast for Decatur

AccuWeather's hourly forecast for Decatur provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 66° with a RealFeel® of 61°, showers with a 51% 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

Sunday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Storms to bring needed rain, but also flood risk to Plains, Southeast

4 hours ago

Weather News

Southern California fires threaten homes and former nuclear site

8 hours ago

Weather Forecasts

It will feel more like Thanksgiving than Memorial Day in the Northeast

7 hours ago

Hurricane

Hurricane season hasn't started, but one area is already being watched

7 hours ago

Weather News

State of Emergency declared for Utah drought after 'no-pack' winter

6 hours ago

 More Stories

Featured Stories

Astronomy

SpaceX scrubs 12th Starship test flight after launch tower issue

10 hours ago

Health

Melanoma survivor shares warning for Don’t Fry Day: ‘I changed everyth...

8 hours ago

Travel

Waymo recalls robotaxi fleet after one drove into Texas floodwaters

1 day ago

Recreation

It’s nearly Memorial Day, but this national park just had a snowstorm

2 days ago

Astronomy

Neptune’s moon Nereid may be survivor from ancient cosmic shake-up

1 day ago
World North America United States Illinois Decatur

Weather Near Decatur:

  • Champaign, IL
  • Peoria, IL
  • Springfield, 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

...

...

...