S
M
T
W
T
F
S
26
61°
51°
27
64°
48°
28
71°
49°
29
76°
50°
30
75°
51°
1
73°
53°
2
63°
53°
3
64°
53°
4
64°
52°
5
62°
52°
6
75°
52°
7
77°
53°
8
71°
51°
9
78°
52°
10
76°
50°
11
86°
52°
12
76°
52°
13
76°
54°
14
78°
53°
15
78°
53°
16
83°
52°
17
82°
51°
18
80°
51°
19
79°
51°
20
79°
50°
21
78°
52°
22
76°
50°
23
80°
54°
24
79°
53°
25
72°
50°
26
71°
47°
27
71°
48°
28
76°
50°
29
72°
51°
30
72°
50°
31
75°
52°
1
80°
55°
2
81°
55°
3
80°
52°
4
75°
51°
5
81°
56°
6
81°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alamo
Alamo's May 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 47° and 56°. The average high for May is 78° with an average low of 52°. 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. See also: June | July | August.
