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Weather in Decatur, Illinois, USA

Now
60 °F

Light rain. Mostly cloudy.


Feels Like: 60 °F
Forecast: 67 / 40 °F
Wind: 10 mph from Southwest

Location: Decatur Airport
Current Time: Mar 7, 2026 at 6:51:26 am
Latest Report: Mar 7, 2026 at 4:54 am
Visibility: 9 mi
Pressure: 29.86 "Hg
Humidity: 90%
Dew Point: 57 °F
Location of DecaturLocation

Upcoming 5 hours

Now7:00 am8:00 am9:00 am10:00 am11:00 am
60 °F64 °F64 °F65 °F65 °F64 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature65 °F53 °F45 °F38 °F39 °F62 °F52 °F
Thunderstorms. Overcast.Sprin­kles. Overcast.Overcast.Mostly cloudy.Partly cloudy.Sunny.Clear.
Feels Like65 °F48 °F40 °F35 °F33 °F62 °F48 °F
Wind Speed15 mph14 mph11 mph5 mph9 mph15 mph11 mph
Wind DirectionSW
W
NW
W
SW
SW
S
Humidity84%73%75%86%78%35%56%
Dew Point60 °F44 °F38 °F35 °F33 °F34 °F37 °F
Visibility2 mi7 mi6 mi6 mi6 mi7 mi6 mi
Probability of Precipitation52%3%0%0%0%0%0%
Amount of Rain0.31"0.01"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Saturday, March 7, 2026 1:42:39 am Decatur time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Passing clouds. 77 / 51 °F
Humidity: 86%. Wind: 14 mph from South

More weather last week

Currently at nearby stations

58 °F

Taylorville Municipal Airport: (29 mi)

Mostly cloudy. (1 hour ago)

61 °F

University Of Illinois-Willard Airport: (38 mi)

Rain. Fog. (1 hour ago)

59 °F

Coles County Memorial Airport: (44 mi)

Rain. Fog. (1 hour ago)

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Forecast for the next 2 weeks

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Detailed forecast for 14 days