All data are in degrees Fahrenheit

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Water temperature in Warsaw

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

86.9

°F

July 5, 22:57

Trend:

increasing

Yesterday:

85.4°F

Tomorrow:

87.1°F

Sunrise:

05:50

Sunset:

20:33

Day Length:

14 h. 43 min.

Warsaw in July

Minimum:

35.7°F

Average:

42.4°F

Maximum:

45.2°F

Sea water temperature in Warsaw today

As of now, in Warsaw, the water temperature is 86.9°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 4.9°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 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 85.5°F on 2025, while the historical minimum was 76.8°F on 2016.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 87.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Warsaw

Date Current Year

actual* / forecast**

last year 10 years average
Jun 21 79.1°F 81.4°F 77.7°F
Jun 22 79.3°F 80.7°F 78.4°F
Jun 23 78.2°F 81.0°F 78.0°F
Jun 24 79.7°F 82.0°F 78.4°F
Jun 25 78.5°F 84.1°F 78.9°F
Jun 26 78.2°F 85.8°F 78.7°F
Jun 27 78.4°F 86.1°F 78.8°F
Jun 28 79.3°F 85.3°F 79.8°F
Jun 29 79.6°F 87.2°F 79.8°F
Jun 30 78.6°F 84.7°F 79.7°F
Jul 1 80.7°F 84.7°F 80.1°F
Jul 2 81.6°F 86.1°F 81.3°F
Jul 3 82.9°F 85.4°F 81.1°F
Jul 4 85.4°F 84.3°F 81.8°F
Jul 5 86.9°F 85.5°F 82.0°F
Jul 6 87.1°F 84.6°F 82.2°F
Jul 7 87.2°F 83.9°F 82.3°F
Jul 8 87.0°F 82.6°F 82.1°F
Jul 9 87.3°F 84.2°F 82.4°F
Jul 10 86.9°F 83.4°F 82.0°F
Jul 11 87.5°F 87.9°F 82.6°F
Jul 12 87.4°F 86.1°F 82.5°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 Warsaw by month

In Warsaw, the months June through September offer comfortable swimming conditions, which amounts to 117 swimming days.
The warmest water in Warsaw was recorded on July 23, 2019, reaching a 88.9°F. While the coldest temperature occurred on February 9, 2026, dipping to 32.0°F. The average readings by season are 42.5°F in Winter, 58.4°F in Spring, 80.4°F in Summer, and 66.8°F in Autumn.