S
M
T
W
T
F
S
26
70°
45°
27
70°
46°
28
61°
45°
29
57°
41°
30
54°
36°
1
54°
36°
2
61°
32°
3
73°
48°
4
79°
43°
5
57°
37°
6
52°
30°
7
63°
32°
8
73°
37°
9
70°
43°
10
68°
36°
11
66°
36°
12
79°
50°
13
70°
45°
14
75°
45°
15
84°
54°
16
79°
61°
17
77°
63°
18
73°
61°
19
58°
43°
20
63°
47°
21
63°
47°
22
61°
51°
23
72°
53°
24
78°
57°
25
78°
56°
26
80°
59°
27
81°
58°
28
79°
60°
29
80°
59°
30
79°
59°
31
80°
61°
1
77°
55°
2
77°
59°
3
72°
55°
4
73°
56°
5
76°
61°
6
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dunkerton
Dunkerton's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 43° and 61°. The average high for May is 74° with an average low of 56°. 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 Dunkerton. See also: June | July | August.