S
M
T
W
T
F
S
26
61°
39°
27
59°
41°
28
48°
39°
29
59°
36°
30
66°
37°
1
72°
36°
2
57°
46°
3
48°
43°
4
56°
38°
5
52°
32°
6
52°
39°
7
54°
41°
8
58°
42°
9
53°
38°
10
57°
39°
11
52°
39°
12
53°
40°
13
54°
41°
14
54°
39°
15
56°
41°
16
55°
42°
17
52°
36°
18
54°
41°
19
53°
41°
20
53°
39°
21
54°
40°
22
54°
40°
23
55°
43°
24
54°
43°
25
54°
44°
26
55°
43°
27
55°
40°
28
54°
38°
29
54°
38°
30
55°
44°
31
56°
42°
1
55°
44°
2
56°
42°
3
56°
41°
4
57°
40°
5
59°
40°
6
57°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Welton
Welton's May 2026 forecast shows daily high temperatures ranging from 52° to 59°, with overnight lows between 32° and 44°. The average high for May is 55° with an average low of 40°. 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 Welton. See also: June | July | August.