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

Currently: 70 °F. Clear. (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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 ConditionsComfortPrecipitation
Time TempWeatherFeels LikeWind HumidityChanceAmount
9:00 pm
Sat, Mar 21
69 °FClear.69 °F9 mph57%0%0.00" (snow)
0.00" (rain)
10:00 pm67 °FClear.67 °F9 mph61%0%0.00" (snow)
0.00" (rain)
11:00 pm66 °FMostly clear.66 °F10 mph64%0%0.00" (snow)
0.00" (rain)
12:00 am
Sun, Mar 22
66 °FBroken clouds.66 °F10 mph67%0%0.00" (snow)
0.00" (rain)
1:00 am65 °FCloudy.65 °F11 mph70%0%0.00" (snow)
0.00" (rain)
2:00 am65 °FBroken clouds.65 °F11 mph71%0%0.00" (snow)
0.00" (rain)
3:00 am65 °FPartly cloudy.65 °F12 mph71%0%0.00" (snow)
0.00" (rain)
4:00 am65 °FMostly clear.65 °F12 mph71%0%0.00" (snow)
0.00" (rain)
5:00 am64 °FScattered clouds.64 °F12 mph72%0%0.00" (snow)
0.00" (rain)
6:00 am63 °FPartly cloudy.63 °F11 mph73%0%0.00" (snow)
0.00" (rain)
7:00 am63 °FPartly cloudy.63 °F10 mph73%0%0.00" (snow)
0.00" (rain)
8:00 am64 °FBroken clouds.64 °F11 mph72%0%0.00" (snow)
0.00" (rain)
9:00 am68 °FBroken clouds.68 °F12 mph64%0%0.00" (snow)
0.00" (rain)
10:00 am73 °FBroken clouds.77 °F13 mph56%0%0.00" (snow)
0.00" (rain)
11:00 am77 °FBroken clouds.78 °F11 mph50%0%0.00" (snow)
0.00" (rain)
12:00 pm79 °FCloudy.80 °F11 mph47%0%0.00" (snow)
0.00" (rain)
1:00 pm79 °FOvercast.80 °F12 mph46%0%0.00" (snow)
0.00" (rain)
2:00 pm76 °FOvercast.78 °F10 mph48%0%0.00" (snow)
0.00" (rain)
3:00 pm70 °FOvercast.77 °F13 mph49%0%0.00" (snow)
0.00" (rain)
4:00 pm64 °FOvercast.64 °F19 mph53%0%0.00" (snow)
0.00" (rain)
5:00 pm63 °FOvercast.63 °F19 mph51%0%0.00" (snow)
0.00" (rain)
6:00 pm57 °FOvercast.53 °F18 mph56%1%0.00" (snow)
0.00" (rain)
7:00 pm55 °FOvercast.50 °F18 mph54%1%0.00" (snow)
0.00" (rain)
8:00 pm47 °FOvercast.41 °F17 mph65%1%0.00" (snow)
0.00" (rain)
* Updated Saturday, March 21, 2026 2:42:45 pm Decatur time - Weather by CustomWeather, © 2026

14 days extended forecast