11.08
tue
tue
Day

79°F
SE 7 mph
Precip.
2%
2%
Night

68°F
S 11 mph
Precip.
12%
12%
12.08
wed
wed
Day

81°F
SE 6 mph
Precip.
2%
2%
Night

70°F
S 9 mph
Precip.
10%
10%
13.08
thu
thu
Day

82°F
SE 7 mph
Precip.
2%
2%
Night

70°F
S 11 mph
Precip.
9%
9%
14.08
fri
fri
Day

82°F
S 11 mph
Precip.
2%
2%
Night

70°F
S 13 mph
Precip.
12%
12%
15.08
sat
sat
Day

77°F
SE 13 mph
Precip.
14%
14%
Night

70°F
S 16 mph
Precip.
19%
19%
16.08
sun
sun
Day

77°F
N 5 mph
Precip.
4%
4%
Night

70°F
SE 14 mph
Precip.
13%
13%
17.08
mon
mon
Day

77°F
SE 7 mph
Precip.
4%
4%
Night

70°F
SE 6 mph
Precip.
7%
7%
18.08
tue
tue
Day

73°F
E 12 mph
Precip.
10%
10%
Night

72°F
S 7 mph
Precip.
5%
5%
19.08
wed
wed
Day

81°F
NE 7 mph
Precip.
2%
2%
Night

72°F
SE 7 mph
Precip.
7%
7%
20.08
thu
thu
Day

79°F
N 4 mph
Precip.
3%
3%
Night

68°F
SE 8 mph
Precip.
8%
8%
21.08
fri
fri
Day

88°F
E 7 mph
Precip.
1%
1%
Night

77°F
S 9 mph
Precip.
2%
2%
22.08
sat
sat
Day

88°F
N 7 mph
Precip.
1%
1%
Night

70°F
S 7 mph
Precip.
8%
8%
23.08
sun
sun
Day

81°F
NE 7 mph
Precip.
2%
2%
Night

73°F
W 2 mph
Precip.
18%
18%
24.08
mon
mon
Day

77°F
NW 5 mph
Precip.
9%
9%
Night

77°F
SE 7 mph
Precip.
5%
5%
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: 03:19
August 11, tuesday
0600

66°F
S
7 mph
7 mph
0900

72°F
S
9 mph
9 mph
1200

79°F
SE
7 mph
7 mph
1500

82°F
SE
15 mph
15 mph
1800

79°F
SE
16 mph
16 mph
2100

72°F
SE
15 mph
15 mph
August 12, wednesday
0000

68°F
S
11 mph
11 mph
0300

68°F
S
7 mph
7 mph


























