S
M
T
W
T
F
S
26
79°
63°
27
82°
61°
28
79°
64°
29
81°
64°
30
77°
66°
1
68°
54°
2
72°
50°
3
75°
45°
4
73°
48°
5
77°
52°
6
79°
70°
7
77°
64°
8
70°
64°
9
70°
64°
10
79°
63°
11
81°
64°
12
79°
66°
13
82°
63°
14
82°
59°
15
79°
52°
16
82°
54°
17
85°
65°
18
88°
67°
19
90°
64°
20
89°
67°
21
84°
71°
22
82°
72°
23
83°
73°
24
84°
70°
25
83°
72°
26
84°
72°
27
85°
69°
28
88°
70°
29
87°
68°
30
88°
71°
31
87°
72°
1
88°
72°
2
89°
71°
3
86°
72°
4
84°
72°
5
85°
71°
6
83°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stapleton
Stapleton's May 2026 forecast shows daily high temperatures ranging from 82° to 90°, with overnight lows between 54° and 73°. The average high for May is 86° with an average low of 69°. 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 Stapleton. See also: June | July | August.