S
M
T
W
T
F
S
26
60°
46°
27
70°
45°
28
60°
49°
29
62°
53°
30
70°
50°
1
67°
45°
2
62°
50°
3
64°
43°
4
78°
50°
5
87°
58°
6
74°
60°
7
66°
54°
8
74°
51°
9
73°
56°
10
83°
54°
11
65°
53°
12
68°
49°
13
74°
49°
14
62°
49°
15
71°
51°
16
84°
60°
17
86°
65°
18
88°
69°
19
93°
71°
20
81°
60°
21
72°
59°
22
74°
59°
23
72°
60°
24
71°
58°
25
74°
59°
26
76°
57°
27
76°
62°
28
78°
61°
29
71°
61°
30
76°
62°
31
76°
59°
1
72°
56°
2
72°
56°
3
71°
55°
4
73°
56°
5
75°
63°
6
82°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wellwood
Wellwood's May 2026 forecast shows daily high temperatures ranging from 62° to 93°, with overnight lows between 49° and 71°. The average high for May is 76° with an average low of 59°. 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 Wellwood. See also: June | July | August.