S
M
T
W
T
F
S
26
48°
39°
27
58°
38°
28
64°
38°
29
69°
39°
30
73°
45°
1
76°
47°
2
76°
49°
3
71°
47°
4
50°
46°
5
54°
44°
6
72°
42°
7
79°
48°
8
79°
50°
9
80°
51°
10
87°
51°
11
86°
56°
12
87°
56°
13
77°
55°
14
78°
49°
15
80°
53°
16
73°
50°
17
69°
45°
18
70°
46°
19
76°
46°
20
76°
48°
21
83°
50°
22
83°
54°
23
83°
54°
24
70°
50°
25
71°
46°
26
62°
43°
27
56°
44°
28
59°
45°
29
64°
40°
30
68°
37°
31
72°
42°
1
74°
44°
2
76°
46°
3
75°
46°
4
76°
45°
5
77°
44°
6
70°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Buena Vista
Buena Vista's May 2026 forecast shows daily high temperatures ranging from 56° to 77°, with overnight lows between 37° and 50°. The average high for May is 69° with an average low of 44°. 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 Vista. See also: June | July | August.