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:
2026
2025
2024
The average sea water temperature in October of 2026 was 64.8°F. The highest and lowest sea temperatures during the month were 66.6°F and 63.0°F.
Monthly sea water temperature in Cascais, °F
Which Portugal resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| Madeira | 74.6°F | 74.1°F |
| Funchal | 74.6°F | 74.1°F |
| Canico | 74.2°F | 73.7°F |
| Porto Santo Island | 73.4°F | 73.3°F |
| Santa Maria Island | 72.4°F | 73.3°F |
| Ponta Delgada | 71.8°F | 72.0°F |
| Faial Island | 71.5°F | 70.9°F |
| Pico Island | 71.5°F | 70.9°F |
| Sao Miguel | 71.5°F | 71.9°F |
| Sao Jorge | 71.4°F | 71.3°F |
| Flores Island | 71.3°F | 70.6°F |
| Corvo Island | 71.2°F | 70.3°F |
| Graciosa | 70.8°F | 70.7°F |
| Terceira Island | 70.7°F | 70.8°F |
| Tavira | 70.7°F | 68.9°F |
| Quarteira | 70.6°F | 68.5°F |
| Algarve | 70.5°F | 68.8°F |
| Faro | 70.5°F | 68.8°F |
| Albufeira | 70.4°F | 68.1°F |
| Portimao | 70.4°F | 67.6°F |
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 16:50
November 15, sunday
1800
61°F
NE
4 mph
4 mph
2100
59°F
NE
3 mph
3 mph
November 16, monday
0000
61°F
N
5 mph
5 mph
0300
61°F
N
7 mph
7 mph
0600
61°F
N
8 mph
8 mph
0900
63°F
N
10 mph
10 mph
1200
66°F
N
14 mph
14 mph
1500
66°F
N
14 mph
14 mph
