Average sea water temperature in October:
+64.4°F
| Minimum sea water temperature in October: | 68.2°F |
| Maximum sea water temperature in October: | 59.7°F |
Daily 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.
Monthly sea water temperature in Cascais, °F
Which Portugal resorts have warmest sea in October?
| Place name | October 2025 | October 2024 |
|---|---|---|
| Madeira | 74.1°F | 74.7°F |
| Funchal | 74.1°F | 74.7°F |
| Canico | 73.7°F | 74.6°F |
| Porto Santo Island | 73.3°F | 74.2°F |
| Santa Maria Island | 73.3°F | 73.6°F |
| Ponta Delgada | 72.0°F | 72.5°F |
| Sao Miguel | 71.9°F | 72.2°F |
| Sao Jorge | 71.3°F | 72.3°F |
| Faial Island | 70.9°F | 72.1°F |
| Pico Island | 70.9°F | 72.1°F |
| Terceira Island | 70.8°F | 71.7°F |
| Graciosa | 70.7°F | 72.0°F |
| Flores Island | 70.6°F | 72.2°F |
| Corvo Island | 70.3°F | 72.2°F |
| Tavira | 68.9°F | 66.6°F |
| Algarve | 68.8°F | 66.6°F |
| Faro | 68.8°F | 66.6°F |
| Quarteira | 68.5°F | 65.9°F |
| Albufeira | 68.1°F | 65.7°F |
| Portimao | 67.6°F | 65.4°F |
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 11:19
December 21, sunday
1200
54°F
SE
21 mph
21 mph
1500
54°F
SE
21 mph
21 mph
1800
52°F
SE
19 mph
19 mph
2100
52°F
SE
18 mph
18 mph
December 22, monday
0000
52°F
SE
15 mph
15 mph
0300
50°F
SE
16 mph
16 mph
0600
52°F
S
19 mph
19 mph
0900
54°F
S
21 mph
21 mph
