S
M
T
W
T
F
S
29
89°
77°
30
84°
75°
31
90°
74°
1
92°
77°
2
84°
75°
3
89°
74°
4
90°
76°
5
90°
75°
6
84°
73°
7
91°
75°
8
87°
77°
9
90°
78°
10
91°
77°
11
90°
77°
12
90°
77°
13
87°
75°
14
87°
75°
15
90°
76°
16
87°
75°
17
92°
76°
18
93°
76°
19
89°
76°
20
89°
75°
21
86°
74°
22
88°
74°
23
89°
73°
24
88°
74°
25
86°
77°
26
87°
75°
27
85°
76°
28
86°
71°
29
87°
72°
30
85°
72°
1
86°
71°
2
86°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Porto
Porto's April 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 71° and 77°. The average high for April is 88° with an average low of 74°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Porto. See also: May | June | July.