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

79.6

°F

September 9, 21:38

Trend:

stable

Yesterday:

79.2°F

Tomorrow:

79.5°F

Sunrise:

06:37

Sunset:

19:23

Day Length:

12 h. 46 min.

Porto in September

Minimum:

59.7°F

Average:

60.7°F

Maximum:

62.1°F

Sea water temperature in Porto today

As of now, in Porto, the water temperature is 79.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.3°F higher 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 82.0°F on 2024, while the historical minimum was 75.8°F on 2023.

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 79.0°F, the minimum temperature may reach 78.5°F, and the maximum might stay at 79.5°F.

Daily water temperature in Porto

Date Current Year

actual* / forecast**

last year 10 years average
Aug 26 80.6°F 84.4°F 80.7°F
Aug 27 81.1°F 84.2°F 80.7°F
Aug 28 81.5°F 84.0°F 80.7°F
Aug 29 81.2°F 83.8°F 80.5°F
Aug 30 80.6°F 83.9°F 80.3°F
Aug 31 80.5°F 83.8°F 80.2°F
Sep 1 80.2°F 83.0°F 80.0°F
Sep 2 80.2°F 83.2°F 79.7°F
Sep 3 80.0°F 83.0°F 79.6°F
Sep 4 79.2°F 82.9°F 79.4°F
Sep 5 79.6°F 82.4°F 79.1°F
Sep 6 79.5°F 82.7°F 78.9°F
Sep 7 80.0°F 82.5°F 78.7°F
Sep 8 79.2°F 82.2°F 78.6°F
Sep 9 79.6°F 82.0°F 78.4°F
Sep 10 79.5°F 81.9°F 78.2°F
Sep 11 79.3°F 81.3°F 78.0°F
Sep 12 79.1°F 81.4°F 77.8°F
Sep 13 79.0°F 80.9°F 77.7°F
Sep 14 78.8°F 79.7°F 77.5°F
Sep 15 78.7°F 78.4°F 77.4°F
Sep 16 78.5°F 77.3°F 77.2°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 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, 61.5°F in Spring, 78.4°F in Summer, and 72.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Naples 79.6°F 1mi
Massa Lubrense 78.7°F 17mi
Capri 79.2°F 20mi
Forio 79.8°F 22mi
Amalfi 78.0°F 23mi
Maiori 78.0°F 24mi

* current water temperature in this city

** straight line distance from Porto