S
M
T
W
T
F
S
26
46°
32°
27
45°
27°
28
52°
25°
29
61°
21°
30
62°
24°
1
67°
24°
2
65°
34°
3
60°
36°
4
48°
33°
5
53°
36°
6
65°
32°
7
71°
31°
8
73°
27°
9
74°
32°
10
78°
33°
11
79°
38°
12
78°
40°
13
70°
39°
14
70°
38°
15
71°
37°
16
63°
35°
17
61°
33°
18
66°
38°
19
70°
40°
20
73°
44°
21
75°
42°
22
72°
41°
23
65°
41°
24
70°
43°
25
71°
45°
26
67°
43°
27
68°
40°
28
62°
37°
29
62°
36°
30
64°
39°
31
71°
43°
1
73°
44°
2
73°
46°
3
74°
45°
4
64°
39°
5
66°
42°
6
71°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wagner
Wagner's May 2026 forecast shows daily high temperatures ranging from 61° to 75°, with overnight lows between 33° and 46°. The average high for May is 68° with an average low of 41°. 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 Wagner. See also: June | July | August.