Weather TomorrowWeather Tomorrow

Weather Tomorrow in Decatur, IL

Monday, April 6, 2026

55°Low 39°FColdHot
Clear

Precip chance

3%

Wind

6-14 mph

Humidity

64%

Feels like

53–41°F

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

39°Temperature trend55°
TimeTempConditionRain %Wind
5 AM43°FClear
2%
6 mph WSW
6 AM42°FMostly Clear
2%
7 mph WSW
7 AM42°FMostly Clear
2%
7 mph WSW
8 AM41°FMostly Clear
2%
7 mph WSW
9 AM41°FMostly Clear
2%
8 mph W
10 AM40°FPartly Cloudy
2%
9 mph WNW
11 AM39°FMostly Sunny
2%
9 mph WNW
12 PM39°FMostly Sunny
0%
9 mph NW
1 PM40°FMostly Sunny
0%
10 mph NW
2 PM43°FMostly Sunny
0%
12 mph NW
3 PM47°FSunny
0%
12 mph NW
4 PM50°FSunny
0%
12 mph NW
5 PM52°FSunny
0%
13 mph NW
6 PM54°FSunny
1%
13 mph NW
7 PM55°FSunny
1%
13 mph NW
8 PM55°FMostly Sunny
1%
14 mph NW
9 PM55°FMostly Sunny
1%
14 mph NW
10 PM54°FMostly Sunny
1%
14 mph NW
11 PM53°FMostly Cloudy
1%
13 mph NW
12 AM50°FMostly Cloudy
3%
12 mph NW
1 AM48°FMostly Cloudy
3%
12 mph NW
2 AM45°FMostly Cloudy
3%
10 mph NNW
3 AM43°FMostly Cloudy
3%
10 mph NNW
4 AM41°FMostly Cloudy
3%
10 mph NNW

Precipitation Timeline

No significant precipitation expected tomorrow.

What to Wear Tomorrow

Mild temperatures — a light layer should do

Clothing

  • T-shirt or long-sleeve
  • Light jacket (for morning/evening)

Footwear

Sneakers

Conditions

High: 55°F

Low: 39°F

Wind: 6-14 mph

Rain: 3%

Enjoy your day!

Best Time to Be Outside Tomorrow

7 PM – 8 PM80

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

5a11a5p11p

More for Decatur, IL

More cities in Illinois

Frequently Asked Questions

What is the weather forecast for tomorrow in Decatur, IL?
Tomorrow in Decatur: High of 55°F, Low of 39°F. Clear with 3% chance of precipitation. Wind 6-14 mph.
Will it rain tomorrow in Decatur?
No significant precipitation expected tomorrow.
What should I wear tomorrow in Decatur?
With a high of 55°F and low of 39°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.