All data are in degrees Fahrenheit

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Water temperature in Quarteira

Detailed information about the current water temperature in Quarteira. 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 Quarteira now

68.7

°F

July 1, 09:01

Trend:

stable

Yesterday:

68.8°F

Tomorrow:

69.4°F

Sunrise:

06:16

Sunset:

20:56

Day Length:

14 h. 40 min.

Quarteira in July

Minimum:

57.9°F

Average:

60.8°F

Maximum:

62.7°F

Sea water temperature in Quarteira today

As of now, in Quarteira, the water temperature is 68.7°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.9°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise 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 73.3°F on 2025, while the historical minimum was 60.8°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 69.5°F, with minimum temperature starting at 69.2°F, while the maximum might reach 70.0°F.

Daily water temperature in Quarteira

Date Current Year

actual* / forecast**

last year 10 years average
Jun 17 69.6°F 68.0°F 65.9°F
Jun 18 70.8°F 67.7°F 66.2°F
Jun 19 70.2°F 67.3°F 66.0°F
Jun 20 71.2°F 69.2°F 66.3°F
Jun 21 72.3°F 69.6°F 66.3°F
Jun 22 71.7°F 69.0°F 66.1°F
Jun 23 72.2°F 68.9°F 66.6°F
Jun 24 74.6°F 70.5°F 67.4°F
Jun 25 72.3°F 70.5°F 67.4°F
Jun 26 71.2°F 69.4°F 67.6°F
Jun 27 71.2°F 68.9°F 67.2°F
Jun 28 69.6°F 69.3°F 66.9°F
Jun 29 68.8°F 70.4°F 67.0°F
Jun 30 68.8°F 72.6°F 67.1°F
Jul 1 68.7°F 73.3°F 66.8°F
Jul 2 69.4°F 73.8°F 67.4°F
Jul 3 69.6°F 75.1°F 67.7°F
Jul 4 70.0°F 76.0°F 68.0°F
Jul 5 69.5°F 76.5°F 67.6°F
Jul 6 69.5°F 76.5°F 67.6°F
Jul 7 69.3°F 76.2°F 67.4°F
Jul 8 69.2°F 76.1°F 67.3°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 Quarteira by month

In an average year, Quarteira offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Quarteira was recorded on August 17, 2025, reaching a 77.0°F. While the coldest temperature occurred on February 12, 2026, dipping to 56.2°F. The average readings by season are 60.5°F in Winter, 61.4°F in Spring, 67.9°F in Summer, and 67.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Santa Luzia 68.4°F 24mi
Alvor 69.0°F 27mi
Lagos 68.0°F 32mi

* current water temperature in this city

** straight line distance from Quarteira