S
M
T
W
T
F
S
28
90°
70°
29
90°
70°
30
89°
66°
1
85°
66°
2
89°
70°
3
91°
70°
4
91°
69°
5
88°
70°
6
86°
71°
7
91°
71°
8
91°
70°
9
90°
71°
10
88°
70°
11
87°
70°
12
91°
71°
13
91°
70°
14
90°
69°
15
85°
70°
16
86°
71°
17
87°
70°
18
87°
69°
19
86°
67°
20
85°
65°
21
86°
65°
22
86°
66°
23
87°
66°
24
86°
67°
25
87°
68°
26
87°
69°
27
89°
64°
28
87°
64°
29
89°
66°
30
88°
65°
31
88°
68°
1
89°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lisbon
Lisbon's July 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 64° and 71°. The average high for July is 88° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Lisbon. See also: August | September | October.