S
M
T
W
T
F
S
26
89°
69°
27
90°
75°
28
94°
77°
29
87°
67°
30
77°
63°
1
66°
55°
2
75°
52°
3
81°
53°
4
83°
60°
5
87°
70°
6
86°
65°
7
72°
60°
8
79°
64°
9
92°
72°
10
91°
67°
11
84°
65°
12
87°
62°
13
89°
64°
14
91°
64°
15
92°
68°
16
91°
66°
17
90°
75°
18
92°
77°
19
92°
67°
20
85°
66°
21
84°
69°
22
89°
66°
23
83°
66°
24
88°
67°
25
91°
69°
26
89°
70°
27
83°
69°
28
89°
74°
29
92°
73°
30
90°
72°
31
89°
70°
1
90°
71°
2
86°
68°
3
85°
69°
4
87°
69°
5
90°
73°
6
91°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cibolo
Cibolo's May 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 67° and 74°. The average high for May is 89° with an average low of 71°. 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 Cibolo. See also: June | July | August.