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

63.1

°F

July 25, 04:30

Trend:

decreasing

Yesterday:

63.3°F

Tomorrow:

62.9°F

Sunrise:

06:31

Sunset:

20:46

Day Length:

14 h. 15 min.

Quarteira in August

Minimum:

58.0°F

Average:

60.9°F

Maximum:

62.7°F

Sea water temperature in Quarteira today

As of now, in Quarteira, the water temperature is 63.1°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 6.0°F lower 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 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 74.5°F on 2016, while the historical minimum was 63.0°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 62.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Quarteira

Date Current Year

actual* / forecast**

last year 10 years average
Jul 11 70.4°F 66.0°F 67.9°F
Jul 12 69.7°F 66.4°F 68.2°F
Jul 13 67.4°F 65.7°F 68.1°F
Jul 14 65.9°F 65.1°F 68.2°F
Jul 15 65.4°F 64.5°F 68.1°F
Jul 16 67.5°F 64.0°F 68.2°F
Jul 17 67.4°F 63.8°F 68.4°F
Jul 18 67.7°F 65.2°F 68.8°F
Jul 19 65.9°F 66.9°F 69.0°F
Jul 20 65.0°F 66.4°F 68.7°F
Jul 21 63.9°F 65.7°F 68.5°F
Jul 22 63.4°F 64.5°F 68.7°F
Jul 23 63.5°F 65.9°F 68.8°F
Jul 24 63.3°F 67.1°F 69.3°F
Jul 25 63.1°F 68.6°F 69.0°F
Jul 26 62.9°F 66.5°F 68.9°F
Jul 27 63.1°F 67.5°F 69.0°F
Jul 28 63.1°F 70.4°F 69.1°F
Jul 29 62.6°F 68.6°F 68.6°F
Jul 30 62.7°F 71.2°F 68.7°F
Jul 31 62.6°F 72.1°F 68.6°F
Aug 1 62.8°F 73.9°F 68.8°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 July 6, 2025, reaching a 76.5°F. While the coldest temperature occurred on February 14, 2018, dipping to 56.6°F. The average readings by season are 60.6°F in Winter, 61.4°F in Spring, 67.9°F in Summer, and 67.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Santa Luzia 62.7°F 24mi
Alvor 60.0°F 27mi
Lagos 59.2°F 32mi

* current water temperature in this city

** straight line distance from Quarteira