S
M
T
W
T
F
S
26
65°
48°
27
69°
42°
28
76°
40°
29
72°
44°
30
78°
47°
1
78°
48°
2
76°
52°
3
68°
49°
4
70°
44°
5
69°
50°
6
81°
45°
7
83°
52°
8
78°
51°
9
80°
52°
10
80°
54°
11
85°
48°
12
78°
52°
13
76°
53°
14
85°
46°
15
82°
48°
16
75°
46°
17
81°
48°
18
85°
47°
19
83°
48°
20
84°
48°
21
79°
50°
22
78°
52°
23
77°
51°
24
77°
50°
25
78°
49°
26
77°
50°
27
80°
49°
28
75°
48°
29
75°
48°
30
77°
50°
31
82°
53°
1
83°
53°
2
83°
54°
3
84°
53°
4
76°
50°
5
78°
53°
6
83°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Welby
Welby's May 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 46° and 54°. The average high for May is 80° with an average low of 50°. 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 Welby. See also: June | July | August.