S
M
T
W
T
F
S
26
62°
29°
27
66°
32°
28
67°
38°
29
73°
40°
30
78°
42°
1
78°
51°
2
80°
48°
3
82°
47°
4
83°
48°
5
82°
48°
6
83°
49°
7
80°
45°
8
71°
48°
9
78°
42°
10
77°
52°
11
74°
45°
12
79°
44°
13
65°
51°
14
67°
49°
15
60°
40°
16
61°
38°
17
66°
44°
18
70°
42°
19
67°
50°
20
72°
44°
21
70°
42°
22
76°
48°
23
81°
53°
24
80°
51°
25
77°
57°
26
68°
52°
27
80°
54°
28
93°
57°
29
74°
53°
30
71°
46°
31
73°
47°
1
65°
49°
2
79°
49°
3
80°
56°
4
76°
49°
5
64°
43°
6
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Trinity Valley
Trinity Valley's May 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 42° and 49°. The average high for May is 66° with an average low of 45°. 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 Trinity Valley. See also: June | July | August.
