S
M
T
W
T
F
S
26
92°
76°
27
86°
77°
28
88°
76°
29
85°
75°
30
89°
76°
1
87°
76°
2
90°
76°
3
90°
76°
4
91°
77°
5
92°
77°
6
92°
77°
7
88°
77°
8
87°
76°
9
87°
76°
10
89°
77°
11
88°
77°
12
88°
76°
13
91°
75°
14
91°
75°
15
93°
76°
16
91°
76°
17
91°
76°
18
90°
74°
19
89°
77°
20
85°
76°
21
87°
75°
22
86°
76°
23
86°
74°
24
86°
74°
25
85°
75°
26
85°
75°
27
84°
74°
28
85°
74°
29
84°
72°
30
84°
73°
31
85°
75°
1
84°
75°
2
84°
74°
3
85°
75°
4
84°
75°
5
84°
74°
6
85°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vega Baja
Vega Baja's May 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 72° and 77°. The average high for May is 87° with an average low of 75°. 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 Baja. See also: June | July | August.