S
M
T
W
T
F
S
26
72°
61°
27
75°
63°
28
72°
63°
29
66°
59°
30
68°
55°
1
68°
55°
2
70°
61°
3
68°
55°
4
70°
55°
5
73°
54°
6
72°
54°
7
66°
55°
8
66°
55°
9
68°
61°
10
68°
59°
11
68°
61°
12
68°
57°
13
68°
57°
14
72°
57°
15
77°
57°
16
72°
59°
17
72°
57°
18
73°
55°
19
75°
63°
20
82°
62°
21
84°
68°
22
85°
63°
23
84°
61°
24
79°
60°
25
75°
60°
26
76°
61°
27
76°
62°
28
78°
62°
29
78°
63°
30
79°
64°
31
80°
59°
1
80°
61°
2
81°
62°
3
81°
61°
4
80°
62°
5
81°
62°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Porto de Lagos
Porto de Lagos's May 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 55° and 68°. The average high for May is 79° with an average low of 62°. 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 Porto de Lagos. See also: June | July | August.