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

69.4

°F

May 21, 13:44

Trend:

increasing

Yesterday:

68.5°F

Tomorrow:

69.5°F

Sunrise:

05:40

Sunset:

20:20

Day Length:

14 h. 40 min.

Porto in May

Minimum:

59.8°F

Average:

61.0°F

Maximum:

62.6°F

Sea water temperature in Porto today

As of now, in Porto, the water temperature is 69.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.6°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

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 68.1°F on 2018, while the historical minimum was 64.2°F on 2019.

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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 70.4°F, with minimum temperature starting at 69.5°F, while the maximum might reach 71.4°F.

Daily water temperature in Porto

Date Current Year

actual* / forecast**

last year 10 years average
May 7 65.6°F 64.4°F 64.0°F
May 8 64.5°F 64.3°F 64.2°F
May 9 64.1°F 64.2°F 64.3°F
May 10 64.3°F 64.4°F 64.6°F
May 11 64.8°F 64.7°F 65.1°F
May 12 65.0°F 64.8°F 65.2°F
May 13 65.5°F 65.4°F 65.8°F
May 14 65.7°F 65.5°F 65.9°F
May 15 66.7°F 65.6°F 66.1°F
May 16 66.9°F 65.8°F 66.1°F
May 17 68.7°F 66.1°F 66.3°F
May 18 68.8°F 65.3°F 66.5°F
May 19 69.0°F 65.6°F 66.7°F
May 20 68.5°F 65.4°F 66.7°F
May 21 69.4°F 65.7°F 66.8°F
May 22 69.5°F 66.0°F 66.9°F
May 23 69.5°F 65.4°F 66.9°F
May 24 70.0°F 66.0°F 67.4°F
May 25 70.3°F 67.1°F 67.7°F
May 26 70.8°F 67.2°F 68.2°F
May 27 71.1°F 67.5°F 68.5°F
May 28 71.4°F 69.1°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 Porto by month

In Porto, the months June through September offer comfortable swimming conditions, which amounts to 118 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 60.4°F in Winter, 61.4°F in Spring, 78.0°F in Summer, and 72.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Naples 69.3°F 1mi
Massa Lubrense 69.7°F 17mi
Capri 69.3°F 20mi
Forio 68.6°F 22mi
Amalfi 69.3°F 23mi
Maiori 69.3°F 24mi

* current water temperature in this city

** straight line distance from Porto