S
M
T
W
T
F
S
26
39°
32°
27
43°
30°
28
48°
32°
29
48°
32°
30
48°
30°
1
48°
28°
2
54°
27°
3
56°
37°
4
52°
31°
5
45°
30°
6
46°
28°
7
57°
32°
8
63°
37°
9
59°
38°
10
62°
37°
11
66°
40°
12
63°
41°
13
66°
40°
14
65°
41°
15
57°
29°
16
60°
33°
17
59°
32°
18
61°
34°
19
58°
28°
20
60°
30°
21
62°
34°
22
62°
35°
23
63°
35°
24
57°
30°
25
56°
28°
26
60°
34°
27
63°
35°
28
56°
34°
29
57°
34°
30
56°
33°
31
57°
34°
1
57°
31°
2
58°
32°
3
59°
34°
4
58°
32°
5
58°
34°
6
63°
37°
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 45° to 66°, with overnight lows between 27° and 41°. The average high for May is 59° with an average low of 34°. 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.
