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Hour-by-Hour Forecast for Decatur, Illinois, USA

Currently: 36 °F. Passing clouds. (Weather station: Decatur Airport, USA). See more current weather

Hour-by-hour Forecast in Decatur — Graph

°F

Detailed Hourly Forecast — Next 24 hours

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  Conditions Comfort Precipitation
Time   Temp Weather Feels Like Wind   Humidity Chance Amount
6:00 am
Wed, Mar 25
40 °F Cloudy. 36 °F 7 mph 69% 0% 0.00" (snow)
0.00" (rain)
7:00 am 40 °F Overcast. 35 °F 7 mph 71% 0% 0.00" (snow)
0.00" (rain)
8:00 am 42 °F Overcast. 37 °F 9 mph 68% 0% 0.00" (snow)
0.00" (rain)
9:00 am 48 °F Overcast. 44 °F 10 mph 57% 0% 0.00" (snow)
0.00" (rain)
10:00 am 55 °F Overcast. 52 °F 11 mph 46% 0% 0.00" (snow)
0.00" (rain)
11:00 am 61 °F Overcast. 61 °F 12 mph 38% 0% 0.00" (snow)
0.00" (rain)
12:00 pm 65 °F Overcast. 65 °F 13 mph 33% 0% 0.00" (snow)
0.00" (rain)
1:00 pm 69 °F Overcast. 69 °F 14 mph 30% 0% 0.00" (snow)
0.00" (rain)
2:00 pm 71 °F Overcast. 76 °F 14 mph 30% 0% 0.00" (snow)
0.00" (rain)
3:00 pm 72 °F Cloudy. 76 °F 14 mph 32% 0% 0.00" (snow)
0.00" (rain)
4:00 pm 71 °F Overcast. 77 °F 13 mph 34% 0% 0.00" (snow)
0.00" (rain)
5:00 pm 71 °F Overcast. 77 °F 11 mph 38% 4% 0.00" (snow)
0.00" (rain)
6:00 pm 69 °F Overcast. 69 °F 9 mph 44% 9% 0.00" (snow)
0.00" (rain)
7:00 pm 68 °F Overcast. 68 °F 8 mph 50% 10% 0.00" (snow)
0.00" (rain)
8:00 pm 65 °F Passing showers. Overcast. 65 °F 9 mph 58% 26% 0.00" (snow)
0.00" (rain)
9:00 pm 64 °F Drizzle. Overcast. 64 °F 11 mph 63% 37% 0.00" (snow)
0.00" (rain)
10:00 pm 63 °F Sprinkles. Overcast. 63 °F 13 mph 65% 40% 0.00" (snow)
0.00" (rain)
11:00 pm 63 °F Sprinkles. Overcast. 63 °F 13 mph 68% 43% 0.00" (snow)
0.00" (rain)
12:00 am
Thu, Mar 26
63 °F Sprinkles. Overcast. 63 °F 13 mph 69% 47% 0.00" (snow)
0.01" (rain)
1:00 am 63 °F Sprinkles. Overcast. 63 °F 13 mph 71% 48% 0.00" (snow)
0.01" (rain)
2:00 am 63 °F Sprinkles. Overcast. 63 °F 13 mph 73% 41% 0.00" (snow)
0.00" (rain)
3:00 am 63 °F Sprinkles. Overcast. 63 °F 12 mph 76% 28% 0.00" (snow)
0.00" (rain)
4:00 am 63 °F Drizzle. Overcast. 63 °F 12 mph 77% 16% 0.00" (snow)
0.00" (rain)
5:00 am 62 °F Cloudy. 62 °F 11 mph 79% 4% 0.00" (snow)
0.00" (rain)
* Updated Wednesday, March 25, 2026 2:42:31 am Decatur time - Weather by CustomWeather, © 2026

14 days extended forecast