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14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Lambert-St. Louis Intl Airport, MO
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May
Average Temperature
High
24°
Feels 25
Low
14°
Feels 14
Average Precipitation
15 Days
Rain amount
134.8mm
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
28°
17
31°
18
29°
19
29°
20
20°
21
24°
22
23°
23
28°
24
29°
25
30°
26
30°
27
30°
28
30°
29
30°
30
30°
31
Forecast
Saturday, May 16, 2026
Day
28°
Feels 29
Wind
17 km/h S
Gust
26 km/h
Humidity
59%
P.O.P
100%
Rain
~15 mm
Night
20°
Feels 21
Wind
20 km/h S
Gust
30 km/h
Humidity
84%
P.O.P
20%
Historical Averages
May 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.