All data are in degrees Fahrenheit

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Water temperature in Porto

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

82.2

°F

June 30, 13:53

Trend:

stable

Yesterday:

82.4°F

Tomorrow:

82.4°F

Sunrise:

05:34

Sunset:

20:39

Day Length:

15 h. 5 min.

Porto in July

Minimum:

59.9°F

Average:

61.0°F

Maximum:

62.9°F

Sea water temperature in Porto today

As of now, in Porto, the water temperature is 82.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 4.3°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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 80.5°F on 2025, while the historical minimum was 73.8°F on 2018.

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 83.2°F, with minimum temperature starting at 82.4°F, while the maximum might reach 84.0°F.

Daily water temperature in Porto

Date Current Year

actual* / forecast**

last year 10 years average
Jun 16 74.3°F 78.3°F 74.6°F
Jun 17 75.0°F 79.3°F 75.0°F
Jun 18 76.2°F 79.1°F 75.2°F
Jun 19 77.0°F 78.8°F 75.3°F
Jun 20 77.8°F 78.5°F 75.3°F
Jun 21 79.1°F 78.4°F 75.7°F
Jun 22 79.8°F 78.5°F 75.9°F
Jun 23 79.9°F 78.6°F 76.2°F
Jun 24 81.0°F 79.3°F 76.6°F
Jun 25 81.0°F 79.6°F 77.0°F
Jun 26 80.8°F 80.0°F 77.3°F
Jun 27 80.9°F 80.8°F 77.6°F
Jun 28 81.7°F 81.5°F 77.9°F
Jun 29 82.4°F 80.8°F 78.3°F
Jun 30 82.2°F 80.5°F 77.8°F
Jul 1 82.4°F 80.9°F 78.0°F
Jul 2 82.6°F 81.0°F 78.2°F
Jul 3 83.0°F 81.3°F 78.7°F
Jul 4 83.3°F 81.8°F 79.0°F
Jul 5 83.3°F 82.6°F 79.0°F
Jul 6 83.7°F 82.9°F 79.4°F
Jul 7 84.0°F 83.0°F 79.6°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 Porto by month

In Porto, the months June through September offer comfortable swimming conditions, which amounts to 119 swimming days.
The warmest water in Porto was recorded on July 25, 2023, reaching a 86.4°F. While the coldest temperature occurred on March 13, 2022, dipping to 56.0°F. The average readings by season are 60.5°F in Winter, 61.7°F in Spring, 78.5°F in Summer, and 72.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Naples 82.1°F 1mi
Massa Lubrense 81.7°F 17mi
Capri 81.9°F 20mi
Forio 82.2°F 22mi
Amalfi 81.0°F 23mi
Maiori 81.0°F 24mi

* current water temperature in this city

** straight line distance from Porto