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:
2025
2024
2023
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53
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67
The average sea water temperature in March of 2025 was 59.0°F. The highest and lowest sea temperatures during the month were 59.5°F and 58.5°F.
Monthly sea water temperature in Cascais, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
60.3
62.5
64.4
64.8
63.9
63.7
63.1
61.2
59.4
57.9
57.7
58.8
Which Portugal resorts have warmest sea in March?
| Place name | March 2025 | March 2024 |
|---|---|---|
| Madeira | 65.8°F | 66.9°F |
| Funchal | 65.8°F | 66.9°F |
| Canico | 65.7°F | 66.8°F |
| Porto Santo Island | 65.1°F | 66.1°F |
| Santa Maria Island | 62.9°F | 63.1°F |
| Ponta Delgada | 61.7°F | 62.4°F |
| Graciosa | 61.5°F | 61.5°F |
| Sao Miguel | 61.4°F | 62.3°F |
| Sao Jorge | 61.3°F | 61.5°F |
| Faial Island | 61.2°F | 61.7°F |
| Pico Island | 61.2°F | 61.5°F |
| Terceira Island | 60.9°F | 61.5°F |
| Flores Island | 60.6°F | 61.5°F |
| Corvo Island | 60.5°F | 61.6°F |
| Faro | 60.2°F | 59.6°F |
| Algarve | 60.2°F | 59.6°F |
| Tavira | 60.0°F | 59.0°F |
| Quarteira | 60.0°F | 59.4°F |
| Albufeira | 60.0°F | 59.1°F |
| Lagos | 59.8°F | 58.8°F |
Best time for vacation in Cascais
Cascais on a weather map
Leaflet | Tiles © Esri
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 08:32
March 17, monday
0900
57°F
N
11 mph
11 mph
1200
59°F
N
14 mph
14 mph
1500
59°F
NW
12 mph
12 mph
1800
55°F
NW
9 mph
9 mph
2100
55°F
SW
9 mph
9 mph
March 18, tuesday
0000
55°F
S
7 mph
7 mph
0300
54°F
SE
7 mph
7 mph
0600
55°F
SE
7 mph
7 mph
