S
M
T
W
T
F
S
26
75°
48°
27
64°
57°
28
63°
53°
29
63°
41°
30
63°
37°
1
56°
42°
2
56°
39°
3
64°
39°
4
76°
50°
5
56°
47°
6
60°
39°
7
63°
37°
8
66°
45°
9
76°
51°
10
69°
48°
11
70°
44°
12
82°
43°
13
68°
42°
14
69°
38°
15
72°
50°
16
75°
64°
17
86°
64°
18
81°
64°
19
82°
61°
20
70°
51°
21
69°
48°
22
73°
59°
23
74°
59°
24
79°
58°
25
80°
62°
26
80°
66°
27
78°
63°
28
81°
56°
29
78°
59°
30
80°
60°
31
79°
60°
1
80°
61°
2
77°
61°
3
81°
60°
4
79°
58°
5
79°
62°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kellyville
Kellyville's May 2026 forecast shows daily high temperatures ranging from 73° to 81°, with overnight lows between 56° and 66°. The average high for May is 79° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Kellyville. See also: June | July | August.