S
M
T
W
T
F
S
26
84°
70°
27
88°
72°
28
79°
68°
29
66°
59°
30
63°
57°
1
63°
48°
2
73°
51°
3
79°
58°
4
80°
66°
5
84°
57°
6
72°
53°
7
76°
55°
8
75°
58°
9
78°
59°
10
80°
62°
11
82°
61°
12
83°
61°
13
80°
60°
14
83°
61°
15
86°
66°
16
86°
66°
17
85°
65°
18
86°
66°
19
86°
67°
20
85°
67°
21
81°
66°
22
80°
66°
23
80°
64°
24
86°
67°
25
84°
67°
26
81°
60°
27
80°
61°
28
83°
67°
29
85°
68°
30
87°
67°
31
89°
68°
1
89°
69°
2
90°
69°
3
90°
70°
4
91°
70°
5
90°
69°
6
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Commerce
Commerce's May 2026 forecast shows daily high temperatures ranging from 63° to 91°, with overnight lows between 48° and 70°. The average high for May is 83° with an average low of 63°. 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 Commerce. See also: June | July | August.
