S
M
T
W
T
F
S
26
73°
46°
27
73°
50°
28
61°
46°
29
59°
39°
30
54°
36°
1
54°
32°
2
61°
30°
3
77°
45°
4
82°
41°
5
61°
39°
6
54°
32°
7
66°
30°
8
73°
36°
9
73°
45°
10
70°
36°
11
66°
34°
12
79°
46°
13
70°
43°
14
75°
37°
15
84°
55°
16
84°
61°
17
82°
64°
18
77°
63°
19
66°
50°
20
64°
45°
21
59°
46°
22
65°
54°
23
71°
54°
24
76°
56°
25
81°
61°
26
80°
61°
27
78°
60°
28
78°
59°
29
76°
58°
30
76°
60°
31
77°
60°
1
77°
58°
2
75°
57°
3
74°
55°
4
77°
59°
5
72°
56°
6
70°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dyersville
Dyersville's May 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 46° and 61°. The average high for May is 74° with an average low of 57°. 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 Dyersville. See also: June | July | August.