S
M
T
W
T
F
S
26
56°
40°
27
45°
38°
28
58°
35°
29
63°
39°
30
64°
41°
1
68°
46°
2
75°
44°
3
79°
50°
4
77°
57°
5
62°
53°
6
65°
43°
7
77°
50°
8
79°
50°
9
75°
49°
10
82°
50°
11
92°
55°
12
93°
60°
13
90°
61°
14
75°
52°
15
79°
48°
16
69°
51°
17
58°
44°
18
55°
41°
19
65°
39°
20
71°
45°
21
71°
54°
22
73°
46°
23
84°
53°
24
86°
62°
25
88°
60°
26
83°
58°
27
87°
58°
28
88°
60°
29
79°
52°
30
73°
55°
31
87°
55°
1
81°
58°
2
89°
64°
3
90°
67°
4
91°
68°
5
90°
65°
6
89°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Colorado
Colorado's May 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 52° and 68°. The average high for May is 86° 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 Colorado. See also: June | July | August.
