S
M
T
W
T
F
S
26
85°
56°
27
90°
56°
28
85°
66°
29
89°
63°
30
76°
62°
1
64°
52°
2
71°
45°
3
73°
45°
4
80°
48°
5
82°
57°
6
79°
62°
7
74°
48°
8
71°
45°
9
76°
52°
10
78°
60°
11
79°
59°
12
81°
59°
13
82°
58°
14
83°
57°
15
85°
62°
16
85°
62°
17
84°
61°
18
86°
62°
19
85°
62°
20
86°
63°
21
86°
63°
22
85°
62°
23
83°
63°
24
81°
63°
25
85°
64°
26
83°
64°
27
83°
63°
28
82°
64°
29
84°
64°
30
86°
63°
31
87°
64°
1
87°
65°
2
88°
65°
3
88°
66°
4
89°
66°
5
85°
64°
6
84°
64°
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 64° to 89°, with overnight lows between 45° and 66°. The average high for May is 82° with an average low of 60°. 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.