S
M
T
W
T
F
S
26
60°
38°
27
69°
38°
28
60°
47°
29
54°
48°
30
51°
39°
1
51°
35°
2
46°
36°
3
53°
35°
4
69°
44°
5
75°
50°
6
55°
42°
7
53°
36°
8
53°
36°
9
53°
43°
10
61°
41°
11
56°
34°
12
59°
32°
13
61°
46°
14
48°
42°
15
61°
41°
16
75°
57°
17
80°
60°
18
87°
63°
19
87°
64°
20
75°
41°
21
56°
38°
22
61°
44°
23
62°
47°
24
61°
48°
25
64°
48°
26
67°
48°
27
70°
50°
28
72°
49°
29
66°
47°
30
72°
52°
31
71°
51°
1
67°
48°
2
66°
52°
3
64°
52°
4
66°
51°
5
67°
51°
6
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Montrose
South Montrose's May 2026 forecast shows daily high temperatures ranging from 56° to 87°, with overnight lows between 38° and 64°. The average high for May is 69° with an average low of 51°. 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 South Montrose. See also: June | July | August.
