S
M
T
W
T
F
S
26
60°
36°
27
61°
35°
28
58°
29°
29
53°
31°
30
65°
34°
1
57°
38°
2
61°
37°
3
55°
31°
4
55°
32°
5
66°
40°
6
62°
35°
7
58°
33°
8
57°
34°
9
56°
38°
10
58°
37°
11
60°
42°
12
67°
37°
13
58°
36°
14
57°
40°
15
58°
37°
16
63°
45°
17
72°
49°
18
67°
44°
19
71°
41°
20
63°
45°
21
70°
49°
22
73°
50°
23
74°
52°
24
75°
51°
25
78°
52°
26
77°
49°
27
77°
50°
28
71°
51°
29
73°
48°
30
74°
43°
31
71°
42°
1
68°
40°
2
68°
42°
3
68°
48°
4
72°
54°
5
78°
54°
6
80°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cathay
Cathay's May 2026 forecast shows daily high temperatures ranging from 53° to 80°, with overnight lows between 29° and 54°. The average high for May is 66° with an average low of 42°. 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 Cathay. See also: June | July | August.
