S
M
T
W
T
F
S
26
66°
46°
27
75°
38°
28
65°
46°
29
62°
53°
30
70°
51°
1
76°
44°
2
61°
47°
3
66°
46°
4
80°
36°
5
87°
52°
6
64°
48°
7
63°
40°
8
61°
45°
9
61°
45°
10
75°
49°
11
57°
40°
12
59°
43°
13
64°
50°
14
69°
53°
15
71°
53°
16
67°
49°
17
64°
49°
18
68°
51°
19
71°
50°
20
65°
45°
21
66°
46°
22
66°
48°
23
67°
48°
24
68°
47°
25
69°
52°
26
73°
53°
27
69°
50°
28
72°
50°
29
70°
48°
30
74°
53°
31
78°
58°
1
75°
57°
2
77°
53°
3
78°
58°
4
79°
59°
5
80°
59°
6
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Irving
Irving's May 2026 forecast shows daily high temperatures ranging from 57° to 80°, with overnight lows between 40° and 60°. The average high for May is 69° 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 Irving. See also: June | July | August.