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
75°
43°
3
77°
47°
4
58°
34°
5
52°
34°
6
66°
49°
7
72°
48°
8
74°
47°
9
69°
45°
10
68°
44°
11
81°
50°
12
80°
49°
13
69°
45°
14
70°
44°
15
67°
42°
16
65°
47°
17
69°
46°
18
72°
44°
19
62°
42°
20
62°
42°
21
63°
39°
22
70°
47°
23
73°
49°
24
69°
49°
25
65°
43°
26
71°
50°
27
64°
47°
28
64°
45°
29
65°
41°
30
65°
43°
31
72°
48°
1
76°
52°
2
78°
53°
3
78°
53°
4
79°
54°
5
77°
54°
6
78°
55°
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 52° to 81°, with overnight lows between 34° and 55°. 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 Billings. See also: June | July | August.
