S
M
T
W
T
F
S
26
31°
19°
27
47°
16°
28
57°
23°
29
61°
24°
30
69°
30°
1
75°
36°
2
67°
42°
3
75°
37°
4
57°
40°
5
50°
28°
6
71°
23°
7
72°
45°
8
75°
39°
9
68°
45°
10
83°
45°
11
67°
45°
12
79°
36°
13
80°
52°
14
66°
47°
15
63°
43°
16
63°
40°
17
44°
33°
18
58°
32°
19
65°
36°
20
56°
41°
21
62°
41°
22
71°
38°
23
78°
42°
24
78°
51°
25
89°
47°
26
94°
59°
27
84°
62°
28
88°
56°
29
90°
60°
30
74°
53°
31
56°
42°
1
52°
42°
2
51°
48°
3
62°
48°
4
75°
49°
5
77°
46°
6
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cypress County
Cypress County's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Cypress County. See also: June | July | August.