05.08
wed
wed
Day
79°F
SE 10 mph
Precip.
3%
3%
Night
68°F
S 10 mph
Precip.
9%
9%
06.08
thu
thu
Day
81°F
S 16 mph
Precip.
1%
1%
Night
68°F
S 11 mph
Precip.
8%
8%
07.08
fri
fri
Day
82°F
S 13 mph
Precip.
1%
1%
Night
70°F
S 7 mph
Precip.
9%
9%
08.08
sat
sat
Day
81°F
SE 9 mph
Precip.
2%
2%
Night
70°F
SE 9 mph
Precip.
16%
16%
09.08
sun
sun
Day
79°F
SE 9 mph
Precip.
2%
2%
Night
68°F
S 9 mph
Precip.
12%
12%
10.08
mon
mon
Day
77°F
SE 9 mph
Precip.
2%
2%
Night
68°F
S 8 mph
Precip.
10%
10%
11.08
tue
tue
Day
79°F
SE 6 mph
Precip.
2%
2%
Night
68°F
SE 8 mph
Precip.
8%
8%
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.2°F. The highest and lowest sea temperatures during the month were 72.5°F and 68.2°F.
Air temperature in Lisbon, °F
Precipitation total in Lisbon, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Lisbon
Lisbon on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Lisbon
Local time: 19:30
August 05, wednesday
2100
70°F
S
14 mph
14 mph
August 06, thursday
0000
68°F
S
10 mph
10 mph
0300
66°F
S
9 mph
9 mph
0600
66°F
S
8 mph
8 mph
0900
72°F
S
12 mph
12 mph
1200
81°F
S
16 mph
16 mph
1500
84°F
SE
16 mph
16 mph
1800
79°F
S
17 mph
17 mph
