S
M
T
W
T
F
S
26
85°
70°
27
88°
74°
28
85°
71°
29
73°
60°
30
64°
58°
1
63°
53°
2
76°
50°
3
82°
58°
4
79°
66°
5
82°
71°
6
73°
49°
7
70°
51°
8
79°
56°
9
80°
62°
10
77°
60°
11
77°
59°
12
81°
61°
13
82°
63°
14
83°
62°
15
80°
59°
16
78°
64°
17
76°
63°
18
76°
64°
19
79°
64°
20
81°
63°
21
83°
57°
22
76°
56°
23
77°
58°
24
78°
62°
25
75°
58°
26
77°
58°
27
78°
59°
28
79°
59°
29
78°
64°
30
79°
66°
31
80°
67°
1
81°
66°
2
82°
64°
3
84°
68°
4
83°
68°
5
80°
67°
6
80°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Boxelder
Boxelder's May 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 49° and 71°. The average high for May is 79° with an average low of 61°. 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 Boxelder. See also: June | July | August.
