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7 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Crestwood, IL
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
11°
Feels 10
Average Precipitation
11 Days
Rain amount
82.7mm
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
21
22
23
24
26°
25
29°
26
29°
27
25°
28
25°
29
24°
30
24°
31
23°
Forecast
Sunday, May 24, 2026
Day
26°
Feels 26
Wind
11 km/h W
Gust
17 km/h
Humidity
39%
P.O.P
80%
Rain
1-3 mm
Night
12°
Feels 12
Wind
10 km/h S
Gust
15 km/h
Humidity
100%
P.O.P
10%
Historical Averages
May 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.