S
M
T
W
T
F
S
26
49°
37°
27
46°
41°
28
50°
36°
29
61°
35°
30
55°
37°
1
57°
31°
2
71°
35°
3
71°
49°
4
62°
44°
5
51°
35°
6
56°
28°
7
66°
31°
8
73°
43°
9
64°
43°
10
70°
39°
11
82°
43°
12
73°
53°
13
80°
46°
14
83°
51°
15
87°
52°
16
81°
58°
17
72°
45°
18
54°
41°
19
56°
40°
20
62°
44°
21
62°
45°
22
72°
51°
23
74°
53°
24
76°
52°
25
75°
53°
26
74°
52°
27
73°
50°
28
68°
52°
29
67°
49°
30
69°
52°
31
68°
52°
1
69°
54°
2
70°
57°
3
73°
58°
4
80°
61°
5
81°
59°
6
76°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bonesteel
Bonesteel's May 2026 forecast shows daily high temperatures ranging from 54° to 87°, with overnight lows between 40° and 61°. The average high for May is 72° with an average low of 52°. 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 Bonesteel. See also: June | July | August.