S
M
T
W
T
F
S
26
41°
25°
27
45°
27°
28
48°
27°
29
49°
26°
30
54°
23°
1
62°
30°
2
65°
35°
3
68°
34°
4
67°
33°
5
63°
33°
6
69°
40°
7
70°
41°
8
69°
39°
9
63°
38°
10
58°
39°
11
58°
35°
12
60°
36°
13
71°
34°
14
56°
31°
15
57°
35°
16
58°
30°
17
59°
31°
18
61°
37°
19
58°
37°
20
58°
34°
21
59°
37°
22
60°
34°
23
58°
31°
24
59°
32°
25
59°
31°
26
60°
32°
27
63°
36°
28
68°
42°
29
71°
41°
30
72°
43°
31
71°
43°
1
70°
41°
2
67°
38°
3
70°
41°
4
72°
44°
5
73°
44°
6
73°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cache
Cache's May 2026 forecast shows daily high temperatures ranging from 54° to 73°, with overnight lows between 23° and 44°. The average high for May is 64° with an average low of 36°. 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 Cache. See also: June | July | August.