Decatur Extended Forecast with high and low temperatures
2 Week Extended Forecast in Decatur, Illinois, USA
Scroll right to see more
| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Sat Mar 21 |  | 82 / 47 °F | Morning clouds. | 80 °F | 10 mph | ↑ | 33% | 0% | 0.00" | 3 (Moderate) | 6:57 am | 7:08 pm |
| Sun Mar 22 |  | 78 / 39 °F | Cloudy. | 77 °F | 15 mph | ↑ | 49% | 1% | 0.00" | 3 (Moderate) | 6:55 am | 7:09 pm |
| Mon Mar 23 | | 54 / 34 °F | Overcast. | 48 °F | 11 mph | ↑ | 36% | 0% | 0.00" | 0 (Low) | 6:54 am | 7:11 pm |
| Tue Mar 24 | | 61 / 37 °F | Overcast. | 60 °F | 8 mph | ↑ | 28% | 0% | 0.00" | 3 (Moderate) | 6:52 am | 7:12 pm |
| Wed Mar 25 |  | 64 / 41 °F | Light rain late. Overcast. | 62 °F | 17 mph | ↑ | 62% | 55% | 0.17" | 0 (Low) | 6:51 am | 7:13 pm |
| Thu Mar 26 |  | 79 / 45 °F | Rain late. Overcast. | 79 °F | 15 mph | ↑ | 55% | 58% | 0.31" | 3 (Moderate) | 6:49 am | 7:14 pm |
| Fri Mar 27 | | 46 / 35 °F | Sprinkles. Overcast. | 39 °F | 10 mph | ↑ | 55% | 38% | 0.06" | 0 (Low) | 6:47 am | 7:15 pm |
| Sat Mar 28 | | 50 / 33 °F | Cloudy. | 45 °F | 10 mph | ↑ | 35% | 3% | 0.00" | 3 (Moderate) | 6:46 am | 7:16 pm |
| Sun Mar 29 |  | 56 / 36 °F | Mostly cloudy. | 51 °F | 16 mph | ↑ | 37% | 5% | 0.00" | 3 (Moderate) | 6:44 am | 7:17 pm |
| Mon Mar 30 | | 63 / 41 °F | Mostly cloudy. | 63 °F | 24 mph | ↑ | 65% | 6% | 0.00" | 0 (Low) | 6:42 am | 7:18 pm |
| Tue Mar 31 | | 64 / 42 °F | Broken clouds. | 63 °F | 22 mph | ↑ | 56% | 52% | 0.04" | 0 (Low) | 6:41 am | 7:19 pm |
| Wed Apr 1 |  | 62 / 48 °F | Showers early. Overcast. | 62 °F | 13 mph | ↑ | 56% | 73% | 0.36" | 0 (Low) | 6:39 am | 7:20 pm |
| Thu Apr 2 |  | 65 / 44 °F | Sunny. | 65 °F | 10 mph | ↑ | 32% | 3% | 0.00" | 5 (Moderate) | 6:38 am | 7:21 pm |
| Fri Apr 3 |  | 68 / 41 °F | Mostly sunny. | 68 °F | 17 mph | ↑ | 37% | 3% | 0.00" | 5 (Moderate) | 6:36 am | 7:22 pm |
| Sat Apr 4 | | 67 / 41 °F | Overcast. | 67 °F | 13 mph | ↑ | 45% | 6% | 0.00" | 3 (Moderate) | 6:34 am | 7:23 pm |
| * Updated Saturday, March 21, 2026 3:24:35 am Decatur time - Weather by CustomWeather, © 2026 | ||||||||||||