S
M
T
W
T
F
S
26
58°
44°
27
70°
37°
28
63°
49°
29
60°
54°
30
69°
41°
1
68°
38°
2
60°
45°
3
63°
40°
4
78°
41°
5
85°
58°
6
72°
58°
7
65°
45°
8
73°
37°
9
71°
48°
10
80°
54°
11
65°
42°
12
66°
51°
13
66°
51°
14
66°
49°
15
70°
48°
16
74°
56°
17
81°
58°
18
82°
61°
19
81°
58°
20
80°
58°
21
79°
59°
22
82°
55°
23
80°
60°
24
79°
59°
25
80°
60°
26
81°
61°
27
81°
61°
28
80°
60°
29
81°
62°
30
82°
62°
31
82°
61°
1
81°
59°
2
74°
56°
3
74°
58°
4
78°
62°
5
76°
62°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cascades
Cascades's May 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 42° and 63°. The average high for May is 77° with an average low of 57°. 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 Cascades. See also: June | July | August.
