S
M
T
W
T
F
S
26
91°
49°
27
83°
47°
28
86°
42°
29
73°
45°
30
68°
46°
1
53°
40°
2
72°
47°
3
82°
55°
4
86°
57°
5
77°
40°
6
61°
38°
7
80°
47°
8
80°
52°
9
85°
51°
10
76°
53°
11
86°
48°
12
82°
50°
13
82°
52°
14
78°
47°
15
82°
52°
16
81°
53°
17
83°
54°
18
83°
54°
19
82°
55°
20
84°
55°
21
83°
54°
22
76°
50°
23
82°
55°
24
82°
47°
25
73°
46°
26
73°
46°
27
75°
50°
28
77°
56°
29
78°
56°
30
85°
57°
31
85°
58°
1
80°
58°
2
82°
57°
3
87°
58°
4
87°
58°
5
82°
59°
6
80°
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 53° to 87°, with overnight lows between 38° and 59°. 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 Vega. See also: June | July | August.