Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather to focus on central U.S. into the start of April. See the forecast. Chevron right
Snow and ice to kick off April from Minnesota to Maine. Get the forecast. Chevron right

Decatur, IL

67°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Decatur

Illinois

67°
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 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

4 AM

64°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindSSW 17 mph

Air QualityFair

Wind Gusts28 mph

Humidity76%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover83%

Visibility10 mi

Cloud Ceiling24300 ft

5 AM

63°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindSSW 17 mph

Air QualityFair

Wind Gusts27 mph

Humidity79%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling24300 ft

6 AM

62°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

WindSSW 17 mph

Air QualityFair

Wind Gusts27 mph

Humidity82%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling24300 ft

7 AM

63°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

RealFeel Shade™57°

WindSSW 17 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts27 mph

Humidity80%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling24300 ft

8 AM

64°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds

RealFeel Shade™59°

WindSSW 20 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts28 mph

Humidity77%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling21400 ft

9 AM

66°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds

RealFeel Shade™61°

WindSSW 21 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts28 mph

Humidity76%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling18600 ft

10 AM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Intermittent clouds

RealFeel Shade™64°

WindSSW 21 mph

Air QualityPoor

Max UV Index2.1 (Low)

Wind Gusts29 mph

Humidity71%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling15700 ft

11 AM

71°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™66°

WindSSW 22 mph

Air QualityPoor

Max UV Index3.2 (Moderate)

Wind Gusts35 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling20500 ft

12 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™69°

WindSSW 23 mph

Air QualityPoor

Max UV Index4.3 (Moderate)

Wind Gusts40 mph

Humidity59%

Indoor Humidity59% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling25200 ft

1 PM

76°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 10%
Chevron down
Intermittent clouds

RealFeel Shade™72°

WindSSW 24 mph

Air QualityPoor

Max UV Index5.6 (High)

Wind Gusts45 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

79°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 15%
Chevron down
Intermittent clouds

RealFeel Shade™74°

WindSSW 20 mph

Air QualityPoor

Max UV Index5.0 (Moderate)

Wind Gusts36 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

81°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 15%
Chevron down
Intermittent clouds

RealFeel Shade™76°

WindSW 21 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts33 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

83°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds

RealFeel Shade™78°

WindSW 20 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts32 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7000 ft

5 PM

81°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™77°

WindSW 17 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts24 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4000 ft

6 PM

78°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™73°

WindSW 14 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts16 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Rain0.02 in

Visibility6 mi

Cloud Ceiling30000 ft

7 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindSW 10 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts13 mph

Humidity55%

Indoor Humidity55% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Mostly cloudy

WindSSW 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling22400 ft

9 PM

71°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindSSW 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14700 ft

10 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindSSW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4000 ft

11 PM

66°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

WindSSW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity76%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.23 in

Visibility3 mi

Cloud Ceiling2000 ft

Further Ahead

Tomorrow

Thursday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Pre-Easter severe storms, flooding downpours to focus on central US

1 hour ago

Winter Weather

Ice and snow to bring power outage, travel risks to northern U.S.

12 hours ago

Astronomy

April’s full Pink moon rises April 1: Here’s when to watch

3 days ago

Weather Forecasts

Series of storms to usher in rain, cooler air to the West

1 hour ago

Astronomy

Artemis II: Weather ‘go’ for historic moon launch

17 hours ago

 More Stories

Featured Stories

Astronomy

Artemis II: What to know about this historic moon mission

19 hours ago

Recreation

DC cherry blossoms reach peak bloom early

4 days ago

Astronomy

April's back-to-back astronomy events include 1st meteor shower in mon...

3 days ago

Astronomy

Everything's bigger on Jupiter, including its lightning bolts

3 days ago

Economic Impact

Gas prices surge nearly $1 in a month as EV charging holds steady

3 days 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

...

...

...