The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Olney, IL
Content continues below
April
Average Temperature
High
19°
Feels 19
Low
8°
Feels 6
Average Precipitation
10 Days
Rain amount
71.5mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
25°
10
23°
11
22°
12
28°
13
27°
14
30°
15
25°
16
25°
17
26°
18
26°
19
28°
20
28°
21
29°
22
28°
23
17°
24
25
26
27
28
29
30
Forecast
Thursday, April 9, 2026
Day
25°
Feels 25
Wind
24 km/h SW
Gust
36 km/h
Humidity
33%
P.O.P
20%
Night
14°
Feels 12
Wind
18 km/h S
Gust
27 km/h
Humidity
71%
P.O.P
20%
Historical Averages
Apr 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.