S
M
T
W
T
F
S
26
71°
38°
27
58°
41°
28
61°
49°
29
72°
39°
30
81°
43°
1
74°
50°
2
74°
51°
3
91°
49°
4
77°
52°
5
77°
51°
6
78°
50°
7
74°
49°
8
65°
52°
9
72°
46°
10
79°
49°
11
75°
47°
12
72°
46°
13
71°
48°
14
74°
46°
15
69°
48°
16
69°
45°
17
66°
44°
18
60°
42°
19
61°
40°
20
63°
42°
21
71°
47°
22
69°
45°
23
65°
43°
24
72°
50°
25
69°
45°
26
68°
44°
27
72°
51°
28
73°
51°
29
73°
50°
30
74°
51°
31
75°
52°
1
73°
49°
2
72°
50°
3
72°
47°
4
70°
46°
5
69°
45°
6
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Vista
Mount Vista's May 2026 forecast shows daily high temperatures ranging from 60° to 79°, with overnight lows between 40° and 52°. The average high for May is 71° with an average low of 47°. 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 Mount Vista. See also: June | July | August.
