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Monthly Historical Averages
Reilly, IL
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Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
2
3
4
5
12°
6
11°
7
7°
8
17°
9
20°
10
15°
11
18°
12
24°
13
23°
14
12°
15
8°
16
8°
17
12°
18
13°
19
19°
20
21
22
23
24
25
26
27
28
29
30
Forecast
Sunday, April 5, 2026
Day
12°
Feels 9
Wind
30 km/h NW
Gust
44 km/h
Humidity
33%
P.O.P
20%
Night
5°
Feels 1
Wind
20 km/h W
Gust
30 km/h
Humidity
78%
P.O.P
0%
Historical Averages
Apr 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
April
Average Temperature
High
17°
Feels 16
Low
5°
Feels 2
Average Precipitation
10 Days
Rain amount
68.5mm
Snow amount
0.2cm