Current sea water temperature:
+63.5°F
| Minimum sea water temperature in August: | 69.3°F |
| Maximum sea water temperature in August: | 57.9°F |
| Average sea water temperature in August: | 63.1°F |
| more information | |
14 days
forecast
forecast
| Porto |
monthly
weather
weather
| Porto |
Sea water temperature for the last 10 days:
| August 25 | 63.5°F | August 20 | 65.8°F |
| August 24 | 63.0°F | August 19 | 66.7°F |
| August 23 | 63.0°F | August 18 | 66.6°F |
| August 22 | 64.9°F | August 17 | 66.7°F |
| August 21 | 65.8°F | August 16 | 67.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Porto?
Based on the data about daily sea water temperature for the last three years the warmest sea in Porto was noticed in September, August and July.
Monthly Sea Temperatures in Porto, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.6°F. The highest and lowest sea temperatures during the month were 65.7°F and 56.3°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 66.7°F. The highest and lowest sea temperatures during the month were 69.3°F and 63.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.3°F. The highest and lowest sea temperatures during the month were 72.3°F and 61.5°F.
current
weather
weather
| Porto |
weather in
August
August
| Porto |
Best time for vacation in Porto
Porto on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 16:31
August 25, tuesday
1800
72°F
E
7 mph
7 mph
2100
66°F
NE
2 mph
2 mph
August 26, wednesday
0000
64°F
N
3 mph
3 mph
0300
63°F
N
5 mph
5 mph
0600
61°F
NW
3 mph
3 mph
0900
63°F
N
7 mph
7 mph
1200
63°F
N
10 mph
10 mph
1500
66°F
NE
14 mph
14 mph
