S
M
T
W
T
F
S
26
85°
54°
27
86°
53°
28
75°
43°
29
69°
39°
30
70°
40°
1
75°
44°
2
81°
50°
3
81°
51°
4
80°
47°
5
75°
41°
6
73°
42°
7
75°
49°
8
74°
48°
9
80°
45°
10
82°
49°
11
84°
51°
12
85°
53°
13
85°
53°
14
86°
54°
15
86°
54°
16
85°
53°
17
85°
52°
18
84°
50°
19
82°
50°
20
82°
49°
21
77°
47°
22
77°
47°
23
79°
50°
24
82°
47°
25
79°
46°
26
78°
46°
27
79°
47°
28
84°
49°
29
84°
50°
30
83°
47°
31
82°
50°
1
85°
54°
2
88°
55°
3
91°
57°
4
95°
58°
5
92°
58°
6
93°
59°
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 69° to 95°, with overnight lows between 39° and 59°. The average high for May is 82° with an average low of 50°. 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.
