Average sea water temperature in March:
+57.9°F
| Minimum sea water temperature in March: | 61.3°F |
| Maximum sea water temperature in March: | 55.4°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 56.8°F. The highest and lowest sea temperatures during the month were 57.6°F and 56.3°F.
Monthly sea water temperature in Cascais, °F
Which Portugal resorts have warmest sea in March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Madeira | 63.8°F | 65.5°F |
| Funchal | 63.8°F | 65.5°F |
| Canico | 63.7°F | 65.4°F |
| Porto Santo Island | 62.9°F | 64.8°F |
| Faial Island | 60.7°F | 60.9°F |
| Flores Island | 60.7°F | 60.4°F |
| Sao Jorge | 60.7°F | 60.9°F |
| Pico Island | 60.7°F | 60.9°F |
| Santa Maria Island | 60.4°F | 62.6°F |
| Corvo Island | 60.4°F | 60.4°F |
| Ponta Delgada | 60.3°F | 61.4°F |
| Graciosa | 60.3°F | 61.1°F |
| Sao Miguel | 60.2°F | 61.1°F |
| Terceira Island | 60.0°F | 60.5°F |
| Algarve | 59.0°F | 60.3°F |
| Faro | 59.0°F | 60.3°F |
| Tavira | 58.7°F | 60.2°F |
| Quarteira | 58.6°F | 60.0°F |
| Albufeira | 58.5°F | 59.9°F |
| Portimao | 58.3°F | 59.5°F |
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 09:01
March 17, tuesday
1200
61°F
NW
16 mph
16 mph
1500
61°F
N
21 mph
21 mph
1800
57°F
N
22 mph
22 mph
2100
57°F
N
22 mph
22 mph
March 18, wednesday
0000
57°F
N
21 mph
21 mph
0300
57°F
N
24 mph
24 mph
0600
57°F
NW
22 mph
22 mph
0900
57°F
NW
22 mph
22 mph
