S
M
T
W
T
F
S
26
60°
43°
27
61°
41°
28
63°
38°
29
61°
39°
30
61°
40°
1
76°
54°
2
63°
48°
3
59°
47°
4
61°
48°
5
61°
45°
6
68°
48°
7
64°
51°
8
70°
47°
9
62°
42°
10
62°
43°
11
73°
47°
12
63°
44°
13
62°
42°
14
66°
48°
15
71°
53°
16
74°
55°
17
75°
52°
18
72°
44°
19
65°
45°
20
67°
50°
21
74°
56°
22
78°
56°
23
79°
58°
24
80°
58°
25
79°
57°
26
70°
57°
27
71°
56°
28
71°
58°
29
72°
58°
30
72°
55°
31
73°
51°
1
73°
51°
2
75°
51°
3
75°
54°
4
78°
55°
5
77°
52°
6
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sergeant Bluff
Sergeant Bluff's May 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 38° and 58°. The average high for May is 69° with an average low of 50°. 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 Sergeant Bluff. See also: June | July | August.
