ESOlex // Shutterstock
Decatur, Illinois 7-day weather forecast
Stacker created the forecast for Decatur, Illinois using data from OpenWeather. This week's high is 78 °F on Saturday, while the low is 48 °F on Wednesday. There are expected to be 2 sunny days and rain on 4 days this week.
There are currently no weather alerts.
Monday, May 13
- High of 72 °F, low of 59 °F (69% humidity)- Partly sunny with a 100% chance of rain (11 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:42 AM, sunset at 8:02 PM
1 / 6
otsphoto // Shutterstock
Tuesday, May 14
- High of 63 °F, low of 53 °F (92% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:41 AM, sunset at 8:03 PM
- Overcast with a 100% chance of rain (13 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:41 AM, sunset at 8:03 PM
2 / 6
afoto6267 // Shutterstock
Wednesday, May 15
- High of 72 °F, low of 48 °F (59% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:40 AM, sunset at 8:03 PM
- First quarter moon
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:40 AM, sunset at 8:03 PM
- First quarter moon
3 / 6
Dmitry Naumov // Shutterstock
Thursday, May 16
- High of 67 °F, low of 58 °F (81% humidity)
- Overcast with a 100% chance of rain (9 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:39 AM, sunset at 8:04 PM
- Overcast with a 100% chance of rain (9 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:39 AM, sunset at 8:04 PM
4 / 6
Saijai Boonmak // Shutterstock
Friday, May 17
- High of 71 °F, low of 58 °F (49% humidity)
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:38 AM, sunset at 8:05 PM
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:38 AM, sunset at 8:05 PM
5 / 6
Piyawat Nandeenopparit // Shutterstock
Saturday, May 18
- High of 78 °F, low of 56 °F (52% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 5:38 AM, sunset at 8:06 PM
- Sunny with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 5:38 AM, sunset at 8:06 PM
6 / 6
Zyabich // Shutterstock
Sunday, May 19
- High of 78 °F, low of 62 °F (63% humidity)
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:37 AM, sunset at 8:07 PM
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 5:37 AM, sunset at 8:07 PM
