S
M
T
W
T
F
S
26
85°
69°
27
94°
72°
28
90°
71°
29
72°
56°
30
61°
57°
1
60°
50°
2
75°
46°
3
79°
49°
4
82°
54°
5
91°
60°
6
65°
51°
7
69°
50°
8
77°
55°
9
89°
63°
10
85°
61°
11
77°
56°
12
84°
55°
13
90°
60°
14
90°
63°
15
86°
65°
16
86°
65°
17
85°
71°
18
89°
75°
19
90°
59°
20
75°
60°
21
76°
64°
22
86°
64°
23
83°
61°
24
88°
63°
25
84°
62°
26
87°
63°
27
83°
63°
28
89°
64°
29
91°
67°
30
90°
72°
31
95°
68°
1
94°
67°
2
91°
69°
3
85°
67°
4
83°
68°
5
81°
69°
6
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stephenville
Stephenville's May 2026 forecast shows daily high temperatures ranging from 81° to 95°, with overnight lows between 67° and 69°. The average high for May is 88° with an average low of 68°. 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 Stephenville. See also: June | July | August.
