S
M
T
W
T
F
S
26
81°
51°
27
83°
61°
28
66°
55°
29
64°
50°
30
67°
40°
1
64°
44°
2
61°
44°
3
78°
41°
4
79°
58°
5
70°
46°
6
63°
43°
7
68°
39°
8
77°
47°
9
81°
56°
10
70°
49°
11
78°
44°
12
83°
51°
13
75°
51°
14
77°
54°
15
86°
69°
16
79°
65°
17
89°
71°
18
84°
68°
19
80°
56°
20
73°
51°
21
74°
50°
22
79°
54°
23
75°
55°
24
79°
61°
25
80°
60°
26
81°
62°
27
78°
57°
28
81°
63°
29
83°
62°
30
76°
58°
31
76°
57°
1
75°
57°
2
76°
58°
3
76°
60°
4
81°
63°
5
85°
65°
6
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Imperial
Imperial's May 2026 forecast shows daily high temperatures ranging from 73° to 89°, with overnight lows between 50° and 71°. The average high for May is 80° 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 Imperial. See also: June | July | August.