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Weather in Decatur, Illinois, USA

Now
55 °F

Clear.


Feels Like: 55 °F
Forecast: 78 / 53 °F
Wind: 3 mph ↑ from Southwest

Location: Decatur Airport
Current Time: May 8, 2026 at 10:40:28 pm
Latest Report: May 8, 2026 at 9:54 pm
Visibility: 10 mi
Pressure: 29.78 "Hg
Humidity: 93%
Dew Point: 53 °F
Location of Decatur Location

Upcoming 5 hours

Now 11:00 pm 12:00 am 1:00 am 2:00 am 3:00 am
55 °F 56 °F 56 °F 55 °F 54 °F 54 °F

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Forecast for the next 48 hours

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  Friday Saturday Sunday
  Evening Night Morning Afternoon Evening Night Morning
Forecast
Temperature 58 °F 54 °F 60 °F 77 °F 68 °F 57 °F 58 °F
Rain showers. Overcast. Mostly cloudy. Broken clouds. Broken clouds. Light showers. Overcast. Rain showers. Overcast. Broken clouds.
Feels Like 57 °F 52 °F 60 °F 78 °F 68 °F 54 °F 57 °F
Wind Speed 7 mph 6 mph 11 mph 15 mph 6 mph 12 mph 9 mph
Wind Direction SW
↑ 		SW
↑ 		SW
↑ 		W
↑ 		SW
↑ 		NNE
↑ 		NNE
↑
Humidity 83% 90% 75% 40% 57% 79% 57%
Dew Point 53 °F 51 °F 52 °F 51 °F 53 °F 50 °F 43 °F
Visibility 5 mi 6 mi 7 mi 9 mi 7 mi 5 mi 7 mi
Probability of Precipitation 20% 1% 1% 0% 4% 18% 0%
Amount of Rain 0.09" 0.00" 0.00" 0.00" 0.04" 0.09" 0.00"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Friday, May 8, 2026 8:42:36 pm Decatur time - Weather by CustomWeather, © 2026

14 day forecast, day-by-day Hour-by-hour forecast for next week

Yesterday's weather

Sunny. 65 / 39 °F
Humidity: 68%. Wind: 9 mph ↑ from Southwest

More weather last week

Currently at nearby stations

57 °F

Taylorville Municipal Airport: (29 mi)

Passing clouds.

55 °F

Capital Airport: (38 mi)

Clear.

54 °F

Bloomington / Normal: (44 mi)

Clear.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days

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