The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
McKinney, TX
Content continues below
May
Average Temperature
High
28°
Feels 29
Low
17°
Feels 17
Average Precipitation
10 Days
Rain amount
112.4mm
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
32°
18
31°
19
29°
20
26°
21
24°
22
27°
23
28°
24
29°
25
30°
26
30°
27
30°
28
30°
29
31°
30
31°
31
31°
Forecast
Sunday, May 17, 2026
Day
32°
Feels 35
Wind
43 km/h S
Gust
64 km/h
Humidity
51%
P.O.P
40%
Rain
<1 mm
Night
24°
Feels 24
Wind
37 km/h S
Gust
55 km/h
Humidity
92%
P.O.P
40%
Rain
~1 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.