S
M
T
W
T
F
S
26
62°
36°
27
72°
35°
28
70°
50°
29
64°
52°
30
52°
42°
1
54°
34°
2
46°
36°
3
54°
35°
4
73°
42°
5
76°
49°
6
49°
43°
7
55°
35°
8
53°
36°
9
56°
36°
10
58°
36°
11
54°
30°
12
59°
30°
13
60°
43°
14
54°
44°
15
59°
43°
16
79°
40°
17
81°
57°
18
90°
60°
19
86°
64°
20
76°
48°
21
63°
44°
22
64°
37°
23
58°
48°
24
54°
46°
25
68°
48°
26
79°
56°
27
75°
51°
28
62°
46°
29
59°
41°
30
55°
44°
31
64°
47°
1
63°
45°
2
64°
48°
3
68°
50°
4
72°
52°
5
70°
52°
6
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Welcome
Welcome's May 2026 forecast shows daily high temperatures ranging from 55° to 79°, with overnight lows between 41° and 56°. The average high for May is 67° with an average low of 49°. 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 Welcome. See also: June | July | August.
