S
M
T
W
T
F
S
26
90°
67°
27
90°
74°
28
89°
72°
29
74°
62°
30
68°
58°
1
69°
54°
2
81°
52°
3
85°
51°
4
83°
66°
5
85°
70°
6
74°
56°
7
66°
53°
8
78°
59°
9
81°
58°
10
81°
63°
11
82°
62°
12
87°
63°
13
88°
67°
14
87°
63°
15
86°
64°
16
87°
67°
17
82°
60°
18
77°
64°
19
79°
65°
20
82°
65°
21
82°
58°
22
79°
57°
23
78°
58°
24
79°
61°
25
76°
59°
26
79°
59°
27
80°
60°
28
80°
60°
29
81°
65°
30
81°
67°
31
80°
68°
1
82°
68°
2
83°
67°
3
85°
68°
4
85°
69°
5
83°
69°
6
83°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Garland
Garland's May 2026 forecast shows daily high temperatures ranging from 66° to 88°, with overnight lows between 53° and 70°. The average high for May is 81° 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 Garland. See also: June | July | August.