Current sea water temperature:
+56.7°F
| Minimum sea water temperature in February: | 61.7°F |
| Maximum sea water temperature in February: | 54.7°F |
| Average sea water temperature in February: | 57.7°F |
| more information | |
14 days
forecast
forecast
| Cascais |
monthly
weather
weather
| Cascais |
Sea water temperature for the last 10 days:
| February 4 | 56.7°F | January 30 | 57.2°F |
| February 3 | 56.8°F | January 29 | 57.2°F |
| February 2 | 56.7°F | January 28 | 57.4°F |
| February 1 | 56.5°F | January 27 | 56.8°F |
| January 31 | 56.8°F | January 26 | 56.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Cascais?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cascais was noticed in September, October and August.
Monthly Sea Temperatures in Cascais, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.6°F. The highest and lowest sea temperatures during the month were 65.5°F and 60.3°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 65.8°F and 61.5°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 65.2°F. The highest and lowest sea temperatures during the month were 67.5°F and 63.3°F.
current
weather
weather
| Cascais |
weather in
February
February
| Cascais |
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 15:56
February 04, wednesday
1800
59°F
NE
27 mph
27 mph
2100
61°F
E
25 mph
25 mph
February 05, thursday
0000
59°F
NE
25 mph
25 mph
0300
61°F
NE
34 mph
34 mph
0600
59°F
NE
36 mph
36 mph
0900
59°F
NE
29 mph
29 mph
1200
59°F
E
31 mph
31 mph
1500
59°F
E
30 mph
30 mph
