S
M
T
W
T
F
S
26
70°
44°
27
71°
50°
28
61°
46°
29
55°
41°
30
54°
39°
1
53°
34°
2
59°
31°
3
73°
45°
4
79°
42°
5
58°
40°
6
51°
32°
7
64°
31°
8
71°
41°
9
70°
46°
10
66°
37°
11
64°
38°
12
77°
44°
13
67°
45°
14
72°
40°
15
82°
54°
16
82°
60°
17
81°
64°
18
76°
62°
19
67°
49°
20
64°
44°
21
61°
46°
22
65°
49°
23
74°
56°
24
82°
57°
25
86°
60°
26
88°
63°
27
83°
59°
28
84°
60°
29
78°
58°
30
80°
57°
31
79°
56°
1
77°
56°
2
79°
59°
3
80°
58°
4
82°
59°
5
78°
57°
6
78°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dubuque Township
Dubuque Township's May 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 56° and 63°. The average high for May is 81° with an average low of 59°. 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 Dubuque Township. See also: June | July | August.