S
M
T
W
T
F
S
26
84°
73°
27
91°
73°
28
89°
76°
29
92°
72°
30
76°
66°
1
71°
58°
2
77°
56°
3
82°
56°
4
88°
61°
5
91°
71°
6
89°
72°
7
72°
61°
8
83°
64°
9
93°
64°
10
99°
69°
11
86°
64°
12
92°
66°
13
96°
66°
14
97°
66°
15
96°
71°
16
89°
73°
17
92°
76°
18
96°
79°
19
94°
67°
20
81°
66°
21
81°
70°
22
94°
66°
23
85°
68°
24
90°
68°
25
91°
69°
26
88°
71°
27
89°
71°
28
94°
73°
29
94°
73°
30
93°
71°
31
92°
70°
1
90°
68°
2
90°
66°
3
91°
67°
4
93°
70°
5
92°
69°
6
88°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brackettville
Brackettville's May 2026 forecast shows daily high temperatures ranging from 85° to 94°, with overnight lows between 66° and 73°. The average high for May is 91° with an average low of 70°. 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 Brackettville. See also: June | July | August.