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

74.3

°F

October 3, 20:59

Trend:

decreasing

Yesterday:

75.4°F

Tomorrow:

74.3°F

Sunrise:

07:01

Sunset:

18:43

Day Length:

11 h. 42 min.

Porto in October

Minimum:

59.5°F

Average:

60.6°F

Maximum:

61.9°F

Sea water temperature in Porto today

As of now, in Porto, the water temperature is 74.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.3°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 stay about the same.

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 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 76.1°F on 2019, while the historical minimum was 72.5°F on 2017.

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 shows a gradual cooling trend. The average temperature is expected to be 73.7°F, the minimum temperature may reach 73.2°F, and the maximum might stay at 74.3°F.

Daily water temperature in Porto

Date Current Year

actual* / forecast**

last year 10 years average
Sep 19 78.1°F 74.6°F 76.9°F
Sep 20 78.3°F 74.5°F 76.9°F
Sep 21 78.2°F 74.4°F 76.7°F
Sep 22 78.0°F 74.2°F 76.3°F
Sep 23 78.2°F 74.5°F 76.2°F
Sep 24 77.8°F 74.8°F 76.1°F
Sep 25 77.7°F 74.4°F 75.9°F
Sep 26 77.2°F 74.8°F 75.6°F
Sep 27 77.1°F 74.3°F 75.2°F
Sep 28 76.5°F 74.9°F 74.9°F
Sep 29 76.3°F 74.2°F 74.8°F
Sep 30 75.8°F 74.6°F 74.6°F
Oct 1 75.5°F 74.1°F 74.3°F
Oct 2 75.4°F 73.9°F 74.2°F
Oct 3 74.3°F 74.0°F 74.0°F
Oct 4 74.3°F 74.0°F 74.0°F
Oct 5 74.2°F 74.0°F 73.8°F
Oct 6 74.0°F 73.6°F 73.6°F
Oct 7 73.8°F 73.7°F 73.5°F
Oct 8 73.5°F 73.5°F 73.2°F
Oct 9 73.4°F 73.3°F 73.1°F
Oct 10 73.2°F 73.2°F 72.9°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 74.4°F 1mi
Massa Lubrense 74.3°F 17mi
Capri 74.3°F 20mi
Forio 74.4°F 22mi
Amalfi 74.3°F 23mi
Maiori 74.3°F 24mi

* current water temperature in this city

** straight line distance from Porto