S
M
T
W
T
F
S
26
48°
21°
27
43°
27°
28
54°
24°
29
53°
32°
30
N/A
1
68°
38°
2
70°
36°
3
71°
44°
4
56°
34°
5
54°
32°
6
65°
41°
7
75°
47°
8
70°
43°
9
69°
43°
10
64°
44°
11
69°
44°
12
67°
43°
13
70°
44°
14
65°
41°
15
59°
42°
16
60°
43°
17
62°
43°
18
67°
45°
19
69°
49°
20
61°
45°
21
60°
44°
22
63°
46°
23
62°
46°
24
62°
41°
25
63°
43°
26
65°
45°
27
67°
48°
28
69°
52°
29
74°
47°
30
64°
45°
31
65°
53°
1
68°
53°
2
67°
54°
3
69°
52°
4
68°
54°
5
67°
54°
6
68°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glendive
Glendive's May 2026 forecast shows daily high temperatures ranging from 54° to 75°, with overnight lows between 32° and 55°. The average high for May is 66° with an average low of 45°. 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 Glendive. See also: June | July | August.
