All data are in degrees Fahrenheit

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Water temperature in Porvoo

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

32.0

°F

March 19, 17:30

Trend:

stable

Yesterday:

32.0°F

Tomorrow:

32.1°F

Sunrise:

06:24

Sunset:

18:28

Day Length:

12 h. 4 min.

Porvoo in March

Minimum:

32.1°F

Average:

34.0°F

Maximum:

35.6°F

Sea water temperature in Porvoo today

As of now, in Porvoo, the water temperature is 32.0°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.2°F lower 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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 33.8°F on 2025, while the historical minimum was 32.0°F on 2017.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest 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 32.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Porvoo

Date Current Year

actual* / forecast**

last year 10 years average
Mar 5 32.9°F 32.6°F 32.1°F
Mar 6 32.0°F 32.5°F 32.1°F
Mar 7 32.0°F 32.5°F 32.0°F
Mar 8 32.0°F 32.0°F 32.0°F
Mar 9 32.0°F 34.5°F 32.4°F
Mar 10 32.8°F 34.3°F 32.4°F
Mar 11 32.5°F 34.0°F 32.3°F
Mar 12 32.0°F 33.7°F 32.2°F
Mar 13 32.0°F 33.5°F 32.2°F
Mar 14 33.7°F 33.2°F 32.3°F
Mar 15 32.7°F 33.4°F 32.2°F
Mar 16 32.5°F 33.6°F 32.3°F
Mar 17 32.0°F 33.8°F 32.3°F
Mar 18 32.0°F 33.5°F 32.1°F
Mar 19 32.0°F 33.8°F 32.2°F
Mar 20 32.1°F 33.0°F 32.3°F
Mar 21 32.0°F 32.9°F 32.3°F
Mar 22 31.9°F 32.2°F 32.1°F
Mar 23 31.9°F 32.0°F 32.1°F
Mar 24 31.9°F 32.0°F 32.2°F
Mar 25 32.4°F 32.0°F 32.6°F
Mar 26 32.2°F 32.0°F 32.4°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 Porvoo by month

In an average year, Porvoo offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Porvoo was recorded on August 3, 2018, reaching a 75.9°F. While the coldest temperature occurred on January 4, 2022, dipping to 32.0°F. The average readings by season are 33.7°F in Winter, 38.3°F in Spring, 62.2°F in Summer, and 50.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Helsinki 32.0°F 29mi
Maardu 33.4°F 68mi
Loo 33.3°F 71mi
Tallinn 33.9°F 73mi

* current water temperature in this city

** straight line distance from Porvoo