All data are in degrees Fahrenheit

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Water temperature in Alghero

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

80.9

°F

August 6, 23:51

Trend:

increasing

Yesterday:

80.0°F

Tomorrow:

81.0°F

Sunrise:

06:28

Sunset:

20:37

Day Length:

14 h. 9 min.

Alghero in August

Minimum:

57.7°F

Average:

59.1°F

Maximum:

62.0°F

Sea water temperature in Alghero today

As of now, in Alghero, the water temperature is 80.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 4.6°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 78.7°F on 2018, while the historical minimum was 73.8°F on 2025.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 80.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Alghero

Date Current Year

actual* / forecast**

last year 10 years average
Jul 23 82.1°F 78.6°F 76.5°F
Jul 24 82.1°F 77.7°F 76.6°F
Jul 25 81.5°F 77.6°F 76.8°F
Jul 26 81.5°F 77.4°F 76.9°F
Jul 27 81.2°F 76.0°F 76.8°F
Jul 28 80.6°F 74.9°F 76.6°F
Jul 29 80.7°F 74.0°F 76.0°F
Jul 30 80.8°F 73.3°F 75.9°F
Jul 31 80.5°F 70.4°F 75.9°F
Aug 1 79.6°F 71.7°F 76.2°F
Aug 2 79.4°F 72.2°F 76.2°F
Aug 3 78.5°F 72.8°F 76.5°F
Aug 4 80.2°F 72.8°F 76.9°F
Aug 5 80.0°F 72.2°F 76.8°F
Aug 6 80.9°F 73.8°F 76.3°F
Aug 7 81.0°F 74.3°F 76.3°F
Aug 8 81.0°F 73.9°F 76.3°F
Aug 9 81.2°F 74.2°F 76.6°F
Aug 10 80.7°F 73.7°F 76.0°F
Aug 11 80.9°F 73.9°F 76.3°F
Aug 12 80.7°F 75.3°F 76.0°F
Aug 13 80.8°F 75.5°F 76.2°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 Alghero by month

In Alghero, the months July through September offer comfortable swimming conditions, which amounts to 96 swimming days.
The warmest water in Alghero was recorded on July 21, 2026, reaching a 82.6°F. While the coldest temperature occurred on February 8, 2019, dipping to 55.7°F. The average readings by season are 58.8°F in Winter, 60.4°F in Spring, 74.4°F in Summer, and 70.8°F in Autumn.