Current Sea Water Temperature:
+63.4°F
| Maximum Sea Water Temperature in November: | 69.2°F |
| Minimum Sea Water Temperature in November: | 58.4°F |
| Average water temperature in November: | 64.0°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| November 07 | 63.4°F | November 02 | 65.0°F |
| November 06 | 63.6°F | November 01 | 65.6°F |
| November 05 | 64.4°F | October 31 | 66.6°F |
| November 04 | 64.4°F | October 30 | 66.0°F |
| November 03 | 64.6°F | October 29 | 65.4°F |
When is the Warmest Sea for Cascais?
According to our data for the last three years for Cascais the highest average sea water temperature was in September, October and August.
Average Water Temperature by Month, °F
Sea Water Temperature in September
The average sea surface temperature in September 2026 for Cascais was 66.2°F. The maximum and minimum values were 63.4°F and 68.8°F respectively.
Sea Water Temperature in October
The average sea surface temperature in October 2026 for Cascais was 66.4°F. The maximum and minimum values were 64.4°F and 68.4°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Cascais was 67.5°F. The maximum and minimum values were 65.2°F and 69.4°F respectively.
Portugal Resorts:
NAME
F°
| Albufeira |  |
+68 |
| Algarve | |
+70 |
| Cascais | |
+66 |
| Faro | |
+70 |
| Funchal | |
+64 |
| Lagos | |
+68 |
| Lisbon | |
+66 |
| Madeira | |
+64 |
| Ponta Delgada | |
+64 |
| Portimao | |
+68 |
| Porto | |
+62 |
| Porto Santo Island |  |
+74 |
| Quarteira | |
+68 |
| Sao Miguel | |
+64 |
| Setubal | |
+66 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cascais
Local time: 06:41
08 nov, sunday
| 0900 |  |
68°F | NW 21 mph |
| 1200 |  |
68°F | NW 25 mph |
| 1500 | |
68°F | NW 25 mph |
| 1800 | |
68°F | N 26 mph |
| 2100 | |
68°F | N 25 mph |
09 nov, monday
| 0000 | |
66°F | N 22 mph |
| 0300 | |
68°F | NE 21 mph |
| 0600 | |
66°F | NE 19 mph |