World Resorts Portugal Lisbon Weather

Lisbon 14 Days Forecast

11.08
tue
Day
79°F
SE 7 mph
Precip.
2%
Night
68°F
S 11 mph
Precip.
12%
12.08
wed
Day
81°F
SE 6 mph
Precip.
2%
Night
70°F
S 9 mph
Precip.
10%
13.08
thu
Day
82°F
SE 7 mph
Precip.
2%
Night
70°F
S 11 mph
Precip.
9%
14.08
fri
Day
82°F
S 11 mph
Precip.
2%
Night
70°F
S 13 mph
Precip.
12%
15.08
sat
Day
77°F
SE 13 mph
Precip.
14%
Night
70°F
S 16 mph
Precip.
19%
16.08
sun
Day
77°F
N 5 mph
Precip.
4%
Night
70°F
SE 14 mph
Precip.
13%
17.08
mon
Day
77°F
SE 7 mph
Precip.
4%
Night
70°F
SE 6 mph
Precip.
7%
18.08
tue
Day
73°F
E 12 mph
Precip.
10%
Night
72°F
S 7 mph
Precip.
5%
19.08
wed
Day
81°F
NE 7 mph
Precip.
2%
Night
72°F
SE 7 mph
Precip.
7%
20.08
thu
Day
79°F
N 4 mph
Precip.
3%
Night
68°F
SE 8 mph
Precip.
8%
21.08
fri
Day
88°F
E 7 mph
Precip.
1%
Night
77°F
S 9 mph
Precip.
2%
22.08
sat
Day
88°F
N 7 mph
Precip.
1%
Night
70°F
S 7 mph
Precip.
8%
23.08
sun
Day
81°F
NE 7 mph
Precip.
2%
Night
73°F
W 2 mph
Precip.
18%
24.08
mon
Day
77°F
NW 5 mph
Precip.
9%
Night
77°F
SE 7 mph
Precip.
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

Sunniest months:
August 28 days
July 26 days
September 23 days
Warmest months:
August 81.8 °F
July 80.8 °F
September 78.6 °F
Warmest sea temp:
August 67.1 °F
July 67.0 °F
September 66.6 °F
Coldest months:
January 58.4 °F
February 59.7 °F
December 60.4 °F
Rainiest months:
March 4 days
November 4 days
April 4 days
Windiest months:
July 10.5 mph
June 10.2 mph
August 10.2 mph

Lisbon on a weather map

Lisbon
+68°F
S 8 mph
Feels like: +68°F
Precip.: 13%
Places in Portugal:
Name
°F
+68°F
+68°F
+70°F
+68°F
+66°F
+68°F
+66°F
+72°F
+64°F
+64°F
+72°F
+64°F
+68°F
+66°F
+66°F
24 Hours Forecast
Lisbon
Local time: 03:19
August 11, tuesday
0600
66°F
S
7 mph
0900
72°F
S
9 mph
1200
79°F
SE
7 mph
1500
82°F
SE
15 mph
1800
79°F
SE
16 mph
2100
72°F
SE
15 mph
August 12, wednesday
0000
68°F
S
11 mph
0300
68°F
S
7 mph
Units of measurement: °C / °F