S
M
T
W
T
F
S
26
39°
28°
27
50°
29°
28
57°
38°
29
59°
33°
30
64°
32°
1
72°
32°
2
69°
39°
3
76°
43°
4
59°
39°
5
51°
29°
6
72°
56°
7
67°
45°
8
71°
51°
9
64°
42°
10
75°
45°
11
79°
51°
12
74°
49°
13
67°
47°
14
72°
45°
15
68°
42°
16
70°
42°
17
71°
43°
18
78°
45°
19
60°
38°
20
61°
38°
21
62°
39°
22
72°
48°
23
72°
49°
24
66°
46°
25
70°
46°
26
73°
49°
27
62°
47°
28
63°
46°
29
63°
40°
30
66°
42°
31
72°
46°
1
75°
51°
2
76°
50°
3
76°
52°
4
75°
52°
5
75°
51°
6
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Montana City
Montana City's May 2026 forecast shows daily high temperatures ranging from 51° to 79°, with overnight lows between 29° and 56°. The average high for May is 70° with an average low of 46°. 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 Montana City. See also: June | July | August.
