S
M
T
W
T
F
S
26
79°
53°
27
82°
47°
28
79°
54°
29
73°
51°
30
64°
40°
1
71°
35°
2
57°
37°
3
64°
32°
4
78°
41°
5
80°
47°
6
65°
48°
7
57°
43°
8
72°
38°
9
73°
44°
10
80°
46°
11
69°
44°
12
76°
39°
13
76°
45°
14
56°
42°
15
72°
37°
16
82°
47°
17
89°
60°
18
93°
58°
19
N/A
20
87°
62°
21
74°
61°
22
72°
62°
23
77°
62°
24
78°
61°
25
79°
62°
26
78°
61°
27
75°
60°
28
77°
62°
29
76°
59°
30
75°
58°
31
79°
58°
1
77°
55°
2
80°
60°
3
79°
59°
4
75°
58°
5
73°
54°
6
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Welch
Welch's May 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 54° and 62°. The average high for May is 77° with an average low of 60°. 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 Welch. See also: June | July | August.