S
M
T
W
T
F
S
26
74°
43°
27
71°
57°
28
64°
50°
29
61°
39°
30
63°
39°
1
55°
39°
2
59°
34°
3
72°
46°
4
82°
46°
5
57°
46°
6
57°
41°
7
64°
36°
8
70°
48°
9
79°
52°
10
68°
45°
11
68°
43°
12
82°
45°
13
68°
45°
14
73°
43°
15
81°
55°
16
82°
63°
17
88°
64°
18
75°
66°
19
75°
55°
20
70°
48°
21
70°
46°
22
72°
55°
23
81°
55°
24
80°
55°
25
86°
57°
26
86°
61°
27
84°
58°
28
84°
58°
29
81°
57°
30
78°
56°
31
77°
55°
1
79°
54°
2
79°
55°
3
82°
59°
4
79°
58°
5
81°
59°
6
78°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Triumph
Triumph's May 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 54° and 61°. The average high for May is 81° with an average low of 57°. 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 Triumph. See also: June | July | August.