S
M
T
W
T
F
S
26
88°
72°
27
89°
75°
28
92°
77°
29
84°
67°
30
77°
62°
1
67°
54°
2
75°
51°
3
78°
50°
4
81°
63°
5
87°
70°
6
87°
64°
7
71°
60°
8
78°
62°
9
91°
72°
10
89°
66°
11
84°
65°
12
86°
61°
13
88°
65°
14
90°
69°
15
93°
70°
16
92°
76°
17
91°
76°
18
89°
75°
19
88°
72°
20
83°
70°
21
82°
70°
22
85°
71°
23
84°
72°
24
86°
72°
25
85°
71°
26
85°
72°
27
88°
69°
28
87°
72°
29
88°
73°
30
88°
73°
31
84°
72°
1
84°
72°
2
85°
71°
3
85°
70°
4
86°
72°
5
85°
72°
6
86°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alamo Heights
Alamo Heights's May 2026 forecast shows daily high temperatures ranging from 82° to 93°, with overnight lows between 69° and 76°. The average high for May is 87° with an average low of 72°. 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 Alamo Heights. See also: June | July | August.
