S
M
T
W
T
F
S
26
91°
49°
27
83°
47°
28
86°
42°
29
73°
45°
30
68°
46°
1
58°
37°
2
74°
36°
3
82°
47°
4
88°
59°
5
73°
49°
6
72°
42°
7
78°
52°
8
85°
52°
9
93°
55°
10
77°
52°
11
88°
60°
12
95°
55°
13
88°
61°
14
87°
57°
15
83°
56°
16
84°
54°
17
89°
56°
18
88°
55°
19
89°
56°
20
80°
49°
21
82°
50°
22
75°
53°
23
74°
54°
24
74°
54°
25
75°
55°
26
76°
54°
27
76°
56°
28
77°
54°
29
77°
56°
30
78°
56°
31
76°
55°
1
77°
52°
2
78°
54°
3
78°
57°
4
82°
58°
5
81°
58°
6
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vega
Vega's May 2026 forecast shows daily high temperatures ranging from 74° to 95°, with overnight lows between 49° and 61°. The average high for May is 81° with an average low of 55°. 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 Vega. See also: June | July | August.