Current Sea Water Temperature:
+69.6°F
| Maximum Sea Water Temperature in October: | 72.0°F |
| Minimum Sea Water Temperature in October: | 62.6°F |
| Average water temperature in October: | 67.1°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| October 18 | 69.6°F | October 13 | 67.4°F |
| October 17 | 69.8°F | October 12 | 68.4°F |
| October 16 | 68.6°F | October 11 | 68.8°F |
| October 15 | 68.6°F | October 10 | 69.0°F |
| October 14 | 68.6°F | October 09 | 70.0°F |
When is the Warmest Sea for Lisbon?
According to our data for the last three years for Lisbon the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Lisbon was 72.1°F. The maximum and minimum values were 70.4°F and 74.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Lisbon was 73.4°F. The maximum and minimum values were 71.2°F and 76.2°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2026 for Lisbon was 70.2°F. The maximum and minimum values were 67.8°F and 73.0°F respectively.
Portugal Resorts:
NAME
F°
| Albufeira |  |
+68 |
| Algarve |  |
+68 |
| Cascais |  |
+64 |
| Ericeira | |
+56 |
| Faro | |
+68 |
| Funchal | |
+54 |
| Lagos | |
+66 |
| Lisbon | |
+64 |
| Madeira | |
+54 |
| Ponta Delgada | |
+68 |
| Portimao | |
+60 |
| Porto |  |
+54 |
| Quarteira | |
+68 |
| Sao Miguel | |
+68 |
| Setubal | |
+56 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Lisbon
Local time: 05:16
19 oct, monday
| 0600 |  |
64°F | SW 7 mph |
| 0900 |  |
62°F | SW 6 mph |
| 1200 |  |
72°F | SW 6 mph |
| 1500 | |
78°F | SE 4 mph |
| 1800 | |
70°F | SE 9 mph |
| 2100 | |
64°F | S 9 mph |
20 oct, tuesday
| 0000 | |
62°F | SE 5 mph |
| 0300 |  |
60°F | SE 6 mph |