S
M
T
W
T
F
S
26
77°
61°
27
79°
55°
28
86°
54°
29
90°
54°
30
90°
54°
1
97°
59°
2
97°
61°
3
97°
64°
4
82°
63°
5
79°
59°
6
86°
54°
7
99°
57°
8
102°
64°
9
104°
64°
10
106°
64°
11
108°
66°
12
100°
71°
13
100°
66°
14
99°
64°
15
99°
61°
16
97°
63°
17
93°
63°
18
86°
64°
19
90°
61°
20
95°
61°
21
97°
61°
22
95°
64°
23
93°
63°
24
95°
63°
25
97°
66°
26
93°
61°
27
84°
63°
28
82°
59°
29
85°
62°
30
95°
70°
31
101°
74°
1
104°
75°
2
109°
72°
3
110°
72°
4
109°
73°
5
108°
74°
6
109°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Glamis
Glamis's May 2026 forecast shows daily high temperatures ranging from 82° to 110°, with overnight lows between 59° and 75°. The average high for May is 101° with an average low of 71°. 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 Glamis. See also: June | July | August.