S
M
T
W
T
F
S
26
83°
62°
27
87°
62°
28
64°
50°
29
67°
47°
30
69°
47°
1
70°
45°
2
73°
46°
3
85°
60°
4
85°
67°
5
71°
45°
6
61°
42°
7
70°
50°
8
80°
56°
9
80°
61°
10
75°
54°
11
69°
49°
12
78°
54°
13
84°
62°
14
85°
62°
15
83°
61°
16
89°
67°
17
76°
60°
18
78°
61°
19
80°
61°
20
77°
58°
21
84°
54°
22
76°
53°
23
75°
56°
24
74°
56°
25
76°
55°
26
77°
54°
27
78°
58°
28
79°
59°
29
80°
61°
30
80°
64°
31
81°
63°
1
80°
58°
2
81°
61°
3
84°
66°
4
85°
66°
5
82°
65°
6
83°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Davenport
Davenport's May 2026 forecast shows daily high temperatures ranging from 61° to 89°, with overnight lows between 42° and 67°. The average high for May is 79° with an average low of 58°. 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 Davenport. See also: June | July | August.