S
M
T
W
T
F
S
26
66°
37°
27
57°
45°
28
57°
39°
29
46°
31°
30
42°
20°
1
43°
22°
2
58°
20°
3
69°
38°
4
66°
37°
5
44°
28°
6
43°
31°
7
49°
30°
8
62°
24°
9
54°
29°
10
49°
25°
11
56°
21°
12
68°
37°
13
59°
34°
14
69°
29°
15
81°
50°
16
79°
46°
17
49°
40°
18
78°
50°
19
64°
43°
20
57°
39°
21
63°
30°
22
67°
41°
23
68°
49°
24
75°
52°
25
76°
54°
26
87°
55°
27
82°
45°
28
78°
44°
29
77°
44°
30
70°
42°
31
71°
49°
1
75°
48°
2
74°
50°
3
76°
52°
4
73°
50°
5
72°
48°
6
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cassian
Cassian's May 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 42° and 55°. The average high for May is 75° with an average low of 49°. 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 Cassian. See also: June | July | August.