S
M
T
W
T
F
S
26
69°
30°
27
70°
32°
28
67°
37°
29
72°
41°
30
76°
39°
1
79°
37°
2
84°
53°
3
86°
45°
4
89°
47°
5
86°
53°
6
89°
47°
7
79°
50°
8
77°
44°
9
77°
40°
10
80°
42°
11
77°
45°
12
84°
42°
13
70°
49°
14
65°
45°
15
63°
36°
16
65°
34°
17
72°
42°
18
72°
45°
19
75°
40°
20
77°
42°
21
78°
48°
22
84°
45°
23
86°
47°
24
87°
48°
25
79°
46°
26
70°
50°
27
83°
55°
28
87°
63°
29
79°
51°
30
77°
46°
31
72°
47°
1
79°
55°
2
86°
55°
3
83°
52°
4
81°
53°
5
83°
53°
6
78°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Buena
Buena's May 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 46° and 63°. The average high for May is 80° 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 Buena. See also: June | July | August.