S
M
T
W
T
F
S
26
38°
27°
27
38°
28°
28
56°
27°
29
58°
36°
30
61°
34°
1
72°
39°
2
71°
46°
3
77°
45°
4
57°
39°
5
51°
35°
6
69°
53°
7
64°
47°
8
75°
50°
9
64°
44°
10
79°
55°
11
80°
47°
12
72°
44°
13
74°
43°
14
75°
45°
15
77°
46°
16
72°
44°
17
73°
46°
18
76°
47°
19
69°
42°
20
63°
48°
21
62°
44°
22
65°
48°
23
63°
42°
24
68°
47°
25
71°
49°
26
73°
50°
27
75°
51°
28
76°
52°
29
70°
50°
30
74°
52°
31
73°
52°
1
76°
51°
2
78°
53°
3
74°
46°
4
64°
43°
5
66°
48°
6
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Billings
Billings's May 2026 forecast shows daily high temperatures ranging from 62° to 80°, with overnight lows between 42° and 55°. The average high for May is 71° with an average low of 48°. 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 Billings. See also: June | July | August.
