S
M
T
W
T
F
S
26
44°
33°
27
43°
37°
28
49°
33°
29
61°
28°
30
57°
36°
1
58°
29°
2
76°
31°
3
71°
42°
4
62°
43°
5
52°
31°
6
58°
25°
7
66°
30°
8
76°
36°
9
65°
37°
10
68°
35°
11
89°
44°
12
75°
44°
13
82°
38°
14
80°
50°
15
82°
41°
16
80°
41°
17
72°
49°
18
48°
40°
19
56°
36°
20
64°
45°
21
68°
46°
22
58°
47°
23
75°
49°
24
82°
54°
25
85°
57°
26
88°
55°
27
81°
54°
28
78°
55°
29
81°
58°
30
82°
56°
31
79°
53°
1
77°
52°
2
72°
55°
3
72°
54°
4
77°
58°
5
77°
58°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lower Brule
Lower Brule's May 2026 forecast shows daily high temperatures ranging from 56° to 88°, with overnight lows between 36° and 58°. The average high for May is 75° with an average low of 53°. 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 Lower Brule. See also: June | July | August.
