S
M
T
W
T
F
S
26
51°
39°
27
51°
38°
28
53°
31°
29
57°
30°
30
55°
36°
1
56°
29°
2
71°
29°
3
73°
43°
4
63°
38°
5
52°
29°
6
56°
26°
7
67°
36°
8
79°
39°
9
65°
40°
10
68°
35°
11
83°
43°
12
77°
50°
13
82°
41°
14
83°
55°
15
89°
47°
16
84°
51°
17
81°
50°
18
53°
44°
19
57°
41°
20
63°
36°
21
71°
46°
22
63°
50°
23
77°
45°
24
89°
48°
25
90°
61°
26
94°
69°
27
94°
65°
28
89°
67°
29
73°
62°
30
74°
61°
31
76°
61°
1
84°
59°
2
82°
60°
3
83°
59°
4
82°
57°
5
81°
58°
6
85°
62°
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 73° to 89°, with overnight lows between 57° and 67°. The average high for May is 81° with an average low of 61°. 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.
