S
M
T
W
T
F
S
26
49°
40°
27
64°
38°
28
58°
46°
29
55°
47°
30
47°
35°
1
52°
34°
2
46°
31°
3
49°
41°
4
62°
53°
5
71°
53°
6
56°
41°
7
49°
32°
8
48°
34°
9
54°
40°
10
59°
40°
11
59°
43°
12
60°
46°
13
60°
44°
14
61°
43°
15
64°
47°
16
61°
46°
17
62°
47°
18
63°
50°
19
69°
50°
20
69°
49°
21
72°
51°
22
71°
51°
23
71°
50°
24
70°
49°
25
65°
45°
26
67°
51°
27
70°
51°
28
72°
52°
29
70°
51°
30
69°
49°
31
69°
52°
1
66°
48°
2
66°
47°
3
67°
45°
4
65°
44°
5
65°
45°
6
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cassandra
Cassandra's May 2026 forecast shows daily high temperatures ranging from 46° to 72°, with overnight lows between 31° and 53°. The average high for May is 63° with an average low of 46°. 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 Cassandra. See also: June | July | August.