Decatur Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
43
46
49
52
55
58
61
64
67
70
73
76
79
May 4 – May 10
0.05
Lo:48
Mon, 5
Hi:62
9
Lo:47
Tue, 6
Hi:71
8
0.02
Lo:50
Wed, 7
Hi:73
7
Lo:52
Thu, 8
Hi:74
12
Lo:47
Fri, 9
Hi:71
7
Lo:44
Sat, 10
Hi:74
3
May 11 – May 17
Lo:50
Sun, 11
Hi:79
6
Lo:53
Mon, 12
Hi:76
7
0.04
Lo:58
Tue, 13
Hi:77
7
Lo:60
Wed, 14
Hi:77
8
Lo:60
Thu, 15
Hi:78
9
Lo:63
Fri, 16
Hi:78
12
Lo:63
Sat, 17
Hi:78
15
May 18 – May 24
0.06
Lo:63
Sun, 18
Hi:79
16
0.27
Lo:63
Mon, 19
Hi:79
4
2 Week Extended Forecast in Decatur, Illinois, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Mon May 5 |  | 62 / 48 °F | Drizzle. Overcast. | 60 °F | 9 mph | ↑ | 72% | 46% | 0.05" | 3 (Moderate) | 5:50 am | 7:54 pm |
| Tue May 6 |  | 71 / 47 °F | Partly cloudy. | 70 °F | 8 mph | ↑ | 50% | 5% | - | 3 (Moderate) | 5:49 am | 7:55 pm |
| Wed May 7 |  | 73 / 50 °F | Showers late. Overcast. | 77 °F | 7 mph | ↑ | 53% | 21% | 0.02" | 3 (Moderate) | 5:48 am | 7:56 pm |
| Thu May 8 |  | 74 / 52 °F | Cloudy. | 76 °F | 12 mph | ↑ | 60% | 2% | - | 3 (Moderate) | 5:47 am | 7:57 pm |
| Fri May 9 | | 71 / 47 °F | Cloudy. | 70 °F | 7 mph | ↑ | 30% | 0% | - | 3 (Moderate) | 5:46 am | 7:58 pm |
| Sat May 10 |  | 74 / 44 °F | Broken clouds. | 77 °F | 3 mph | ↑ | 35% | 0% | - | 5 (Moderate) | 5:45 am | 7:59 pm |
| Sun May 11 | | 79 / 50 °F | Afternoon clouds. | 78 °F | 6 mph | ↑ | 35% | 0% | - | 7 (High) | 5:44 am | 8:00 pm |
| Mon May 12 | | 76 / 53 °F | Partly cloudy. | 77 °F | 7 mph | ↑ | 32% | 6% | - | 3 (Moderate) | 5:43 am | 8:01 pm |
| Tue May 13 |  | 77 / 58 °F | Isolated tstorms. Breaks of sun late. | 79 °F | 7 mph | ↑ | 60% | 51% | 0.04" | 3 (Moderate) | 5:42 am | 8:02 pm |
| Wed May 14 | | 77 / 60 °F | Broken clouds. | 79 °F | 8 mph | ↑ | 55% | 6% | - | 3 (Moderate) | 5:41 am | 8:03 pm |
| Thu May 15 |  | 78 / 60 °F | Mostly sunny. | 79 °F | 9 mph | ↑ | 48% | 5% | - | 7 (High) | 5:40 am | 8:04 pm |
| Fri May 16 | | 78 / 63 °F | Overcast. | 80 °F | 12 mph | ↑ | 56% | 5% | - | 3 (Moderate) | 5:39 am | 8:05 pm |
| Sat May 17 | | 78 / 63 °F | Cloudy. | 79 °F | 15 mph | ↑ | 49% | 6% | - | 3 (Moderate) | 5:38 am | 8:06 pm |
| Sun May 18 | | 79 / 63 °F | Showers early. Mostly cloudy. | 80 °F | 16 mph | ↑ | 56% | 44% | 0.06" | 7 (High) | 5:38 am | 8:06 pm |
| Mon May 19 | | 79 / 63 °F | Isolated tstorms. Cloudy. | 81 °F | 4 mph | ↑ | 66% | 96% | 0.27" | 5 (Moderate) | 5:37 am | 8:07 pm |
| * Updated Sunday, May 4, 2025 10:23:55 pm Decatur time - Weather by CustomWeather, © 2025 | ||||||||||||