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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Okawville, IL
Content continues below
May
Average Temperature
High
25°
Feels 25
Low
14°
Feels 13
Average Precipitation
13 Days
Rain amount
128.7mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
18°
21
21°
22
21°
23
26°
24
24°
25
23°
26
24°
27
25°
28
27°
29
26°
30
27°
31
26°
Forecast
Wednesday, May 20, 2026
Day
18°
Feels 18
Wind
18 km/h N
Gust
27 km/h
Humidity
74%
P.O.P
30%
Night
12°
Feels 11
Wind
15 km/h NE
Gust
22 km/h
Humidity
80%
P.O.P
30%
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.