Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
The heat will persist across the West into next week. See how hot it will get. Chevron right

Decatur, IL

68°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Decatur

Illinois

68°
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
Sunday, March 22

Current Weather

2:40 AM

68°F
Clear
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
65°
Wind
SSW 7 mph
Wind Gusts
15 mph
Humidity
62%
Indoor Humidity
62% (Ideal Humidity)
Dew Point
54° F
Pressure
↓ 29.67 in
Cloud Cover
0%
Visibility
13 mi
Cloud Ceiling
40000 ft

Day

3/22
79°Hi
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Breezy and very warm with times of clouds and sun

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™6 (Medium)

WindNW 17 mph

Wind Gusts37 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover63%

Morning

Afternoon

Night

3/22
31°Lo
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Breezy this evening; otherwise, mostly cloudy and much colder

WindNNE 14 mph

Wind Gusts36 mph

Probability of Precipitation13%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover76%

Evening

Overnight

Sun & Moon

12 hrs 14 mins
Rise 6:56 AM
Set 7:10 PM
Waxing Crescent
Rise 8:36 AM
Set 12:01 AM

Temperature History

3/22
High
Low
Forecast
79°
31°
Average
53°
35°
Last Year
56°
36°
Record
88°
1907
10°
1906

Further Ahead

Hourly

Daily

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Record heat to expand east this weekend, resurges next week

27 minutes ago

Winter Weather

300 inches of snow: East beats West during upside-down winter

1 day ago

Winter Weather

Northeast, Midwest bracing for weather whiplash in spring's first days

14 hours ago

Hurricane

Category 2 Tropical Cyclone Narelle strikes Australia

12 hours ago

Weather Forecasts

Hawaii braces for second Kona storm in a week with renewed flooding

15 hours ago

 More Stories

Featured Stories

Weather News

Leaves are coming out 3-4 weeks early in some places this spring

1 day ago

Climate

Monarch population rises in Mexico, but California numbers drop

1 day ago

Astronomy

Astronauts enter quarantine; NASA rolls moon rocket to launchpad

1 day ago

Recreation

Death Valley's superbloom, ancient lake are disappearing

1 day ago

Recreation

Top 10 National Parks of 2025 revealed

2 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

...

...

...