S
M
T
W
T
F
S
26
45°
21°
27
50°
23°
28
51°
25°
29
57°
32°
30
62°
28°
1
65°
29°
2
69°
33°
3
72°
34°
4
71°
38°
5
66°
43°
6
67°
35°
7
67°
39°
8
65°
35°
9
68°
35°
10
75°
35°
11
74°
45°
12
83°
38°
13
67°
39°
14
59°
30°
15
57°
32°
16
47°
28°
17
50°
31°
18
58°
32°
19
58°
34°
20
65°
39°
21
72°
43°
22
66°
40°
23
67°
41°
24
69°
40°
25
66°
41°
26
63°
37°
27
66°
42°
28
68°
42°
29
66°
41°
30
58°
41°
31
60°
42°
1
66°
43°
2
70°
46°
3
71°
47°
4
72°
47°
5
71°
46°
6
71°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cascade
Cascade's May 2026 forecast shows daily high temperatures ranging from 47° to 72°, with overnight lows between 28° and 47°. The average high for May is 65° with an average low of 40°. 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 Cascade. See also: June | July | August.
