S
M
T
W
T
F
S
26
81°
62°
27
82°
61°
28
77°
59°
29
84°
63°
30
87°
62°
1
86°
66°
2
78°
62°
3
77°
61°
4
77°
59°
5
78°
65°
6
79°
66°
7
84°
60°
8
78°
59°
9
74°
62°
10
75°
63°
11
75°
64°
12
76°
64°
13
76°
63°
14
77°
65°
15
78°
65°
16
81°
64°
17
76°
65°
18
80°
65°
19
79°
64°
20
78°
64°
21
78°
63°
22
79°
64°
23
79°
64°
24
81°
65°
25
82°
65°
26
83°
64°
27
82°
64°
28
78°
63°
29
78°
64°
30
82°
65°
31
82°
65°
1
75°
60°
2
75°
62°
3
74°
63°
4
80°
60°
5
81°
51°
6
74°
51°
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 74° to 87°, with overnight lows between 51° and 66°. The average high for May is 79° with an average low of 63°. 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.