S
M
T
W
T
F
S
26
41°
19°
27
49°
15°
28
58°
24°
29
61°
21°
30
69°
21°
1
77°
27°
2
68°
36°
3
77°
32°
4
58°
26°
5
52°
24°
6
68°
17°
7
72°
40°
8
80°
32°
9
69°
47°
10
80°
36°
11
73°
40°
12
77°
34°
13
92°
45°
14
69°
46°
15
66°
38°
16
57°
37°
17
45°
31°
18
54°
32°
19
66°
44°
20
62°
42°
21
69°
47°
22
66°
46°
23
71°
46°
24
79°
50°
25
83°
51°
26
77°
47°
27
76°
44°
28
78°
47°
29
80°
47°
30
72°
45°
31
66°
47°
1
70°
49°
2
72°
49°
3
76°
51°
4
77°
51°
5
72°
50°
6
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Box Elder
Box Elder's May 2026 forecast shows daily high temperatures ranging from 45° to 83°, with overnight lows between 31° and 51°. 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 Box Elder. See also: June | July | August.
