S
M
T
W
T
F
S
26
70°
43°
27
77°
34°
28
72°
51°
29
64°
53°
30
53°
35°
1
65°
33°
2
51°
36°
3
57°
28°
4
73°
42°
5
77°
44°
6
68°
49°
7
62°
38°
8
67°
31°
9
70°
45°
10
75°
44°
11
63°
37°
12
72°
32°
13
70°
39°
14
52°
39°
15
64°
44°
16
79°
55°
17
83°
59°
18
90°
60°
19
89°
63°
20
76°
56°
21
64°
48°
22
71°
51°
23
73°
50°
24
75°
54°
25
77°
58°
26
78°
57°
27
75°
58°
28
76°
53°
29
77°
59°
30
76°
58°
31
70°
54°
1
70°
52°
2
70°
50°
3
71°
51°
4
71°
53°
5
77°
60°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Montrose
Montrose's May 2026 forecast shows daily high temperatures ranging from 64° to 90°, with overnight lows between 44° and 63°. The average high for May is 75° with an average low of 55°. 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 Montrose. See also: June | July | August.
