S
M
T
W
T
F
S
26
56°
34°
27
53°
35°
28
57°
35°
29
56°
40°
30
44°
37°
1
58°
31°
2
69°
38°
3
72°
47°
4
70°
44°
5
47°
31°
6
37°
29°
7
67°
36°
8
67°
39°
9
73°
45°
10
67°
45°
11
83°
45°
12
78°
55°
13
85°
52°
14
84°
62°
15
82°
50°
16
76°
54°
17
65°
46°
18
43°
35°
19
48°
34°
20
56°
40°
21
68°
40°
22
63°
40°
23
73°
41°
24
78°
49°
25
81°
50°
26
77°
54°
27
71°
50°
28
77°
53°
29
79°
51°
30
79°
50°
31
73°
53°
1
72°
52°
2
71°
52°
3
72°
53°
4
74°
56°
5
82°
55°
6
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Highlands Ranch
Highlands Ranch's May 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 50° and 56°. The average high for May is 76° with an average low of 53°. 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 Highlands Ranch. See also: June | July | August.
