All data are in degrees Fahrenheit

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Water temperature in Lisbon

Detailed information about the current water temperature in Lisbon. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Lisbon now

59.1

°F

November 29, 15:11

Trend:

stable

Yesterday:

58.9°F

Tomorrow:

58.7°F

Sunrise:

07:33

Sunset:

17:16

Day Length:

9 h. 43 min.

Lisbon in December

Minimum:

56.3°F

Average:

58.2°F

Maximum:

60.3°F

Sea water temperature in Lisbon today

As of now, in Lisbon, the water temperature is 59.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.3°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 62.5°F on 2024, while the historical minimum was 55.7°F on 2021.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 58.6°F, the minimum temperature may reach 58.3°F, and the maximum might stay at 58.8°F.

Daily water temperature in Lisbon

Date Current Year

actual* / forecast**

last year 10 years average
Nov 15 62.4°F 61.7°F 62.2°F
Nov 16 62.4°F 61.8°F 62.0°F
Nov 17 61.8°F 62.2°F 61.9°F
Nov 18 62.0°F 61.4°F 62.0°F
Nov 19 62.0°F 62.1°F 61.9°F
Nov 20 61.9°F 62.4°F 61.8°F
Nov 21 61.8°F 62.8°F 61.8°F
Nov 22 60.6°F 62.4°F 61.5°F
Nov 23 60.5°F 62.4°F 61.3°F
Nov 24 60.6°F 62.7°F 61.2°F
Nov 25 60.3°F 63.2°F 61.0°F
Nov 26 59.8°F 63.1°F 60.8°F
Nov 27 58.9°F 62.2°F 60.5°F
Nov 28 58.9°F 62.6°F 60.3°F
Nov 29 59.1°F 62.5°F 60.4°F
Nov 30 58.7°F 61.2°F 59.9°F
Dec 1 58.7°F 61.0°F 60.0°F
Dec 2 58.8°F 61.4°F 60.1°F
Dec 3 58.7°F 62.2°F 59.9°F
Dec 4 58.4°F 61.9°F 59.7°F
Dec 5 58.4°F 62.3°F 59.7°F
Dec 6 58.3°F 62.0°F 59.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Lisbon by month

In an average year, Lisbon offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Lisbon was recorded on August 26, 2023, reaching a 75.5°F. While the coldest temperature occurred on February 4, 2023, dipping to 54.5°F. The average readings by season are 58.1°F in Winter, 61.0°F in Spring, 68.3°F in Summer, and 65.1°F in Autumn.