Weather Tomorrow in Decatur, IL
Monday, April 6, 2026
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°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 43°F | Clear | 2% | 6 mph WSW | ||
| 6 AM☽ | 42°F | Mostly Clear | 2% | 7 mph WSW | ||
| 7 AM☽ | 42°F | Mostly Clear | 2% | 7 mph WSW | ||
| 8 AM☽ | 41°F | Mostly Clear | 2% | 7 mph WSW | ||
| 9 AM☽ | 41°F | Mostly Clear | 2% | 8 mph W | ||
| 10 AM☽ | 40°F | Partly Cloudy | 2% | 9 mph WNW | ||
| 11 AM | 39°F | Mostly Sunny | 2% | 9 mph WNW | ||
| 12 PM | 39°F | Mostly Sunny | 0% | 9 mph NW | ||
| 1 PM | 40°F | Mostly Sunny | 0% | 10 mph NW | ||
| 2 PM | 43°F | Mostly Sunny | 0% | 12 mph NW | ||
| 3 PM | 47°F | Sunny | 0% | 12 mph NW | ||
| 4 PM | 50°F | Sunny | 0% | 12 mph NW | ||
| 5 PM | 52°F | Sunny | 0% | 13 mph NW | ||
| 6 PM | 54°F | Sunny | 1% | 13 mph NW | ||
| 7 PM | 55°F | Sunny | 1% | 13 mph NW | ||
| 8 PM | 55°F | Mostly Sunny | 1% | 14 mph NW | ||
| 9 PM | 55°F | Mostly Sunny | 1% | 14 mph NW | ||
| 10 PM | 54°F | Mostly Sunny | 1% | 14 mph NW | ||
| 11 PM☽ | 53°F | Mostly Cloudy | 1% | 13 mph NW | ||
| 12 AM☽ | 50°F | Mostly Cloudy | 3% | 12 mph NW | ||
| 1 AM☽ | 48°F | Mostly Cloudy | 3% | 12 mph NW | ||
| 2 AM☽ | 45°F | Mostly Cloudy | 3% | 10 mph NNW | ||
| 3 AM☽ | 43°F | Mostly Cloudy | 3% | 10 mph NNW | ||
| 4 AM☽ | 41°F | Mostly 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 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
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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.