S
M
T
W
T
F
S
26
55°
35°
27
61°
42°
28
61°
44°
29
49°
37°
30
44°
32°
1
44°
29°
2
55°
25°
3
71°
42°
4
76°
39°
5
56°
35°
6
48°
35°
7
51°
33°
8
64°
36°
9
62°
39°
10
52°
33°
11
50°
29°
12
68°
34°
13
61°
38°
14
65°
34°
15
76°
51°
16
85°
54°
17
52°
44°
18
75°
48°
19
69°
41°
20
57°
34°
21
58°
38°
22
58°
44°
23
58°
47°
24
66°
48°
25
73°
49°
26
74°
48°
27
73°
50°
28
74°
50°
29
73°
49°
30
75°
52°
31
75°
51°
1
72°
45°
2
73°
50°
3
67°
48°
4
67°
48°
5
72°
51°
6
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stephenson
Stephenson's May 2026 forecast shows daily high temperatures ranging from 57° to 75°, with overnight lows between 34° and 52°. The average high for May is 69° with an average low of 47°. 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 Stephenson. See also: June | July | August.