All data are in degrees Fahrenheit

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Water temperature in Buenos Aires

Detailed information about the current water temperature in Buenos Aires. 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 Buenos Aires now

86.0

°F

October 12, 13:09

Trend:

decreasing

Yesterday:

86.2°F

Tomorrow:

85.9°F

Sunrise:

05:32

Sunset:

17:27

Day Length:

11 h. 55 min.

Buenos Aires in October

Minimum:

78.7°F

Average:

80.2°F

Maximum:

81.9°F

Sea water temperature in Buenos Aires today

As of now, in Buenos Aires, the water temperature is 86.0°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 0.9°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 86.3°F on 2025, while the historical minimum was 82.9°F on 2018.

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 histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Buenos Aires

Date Current Year

actual* / forecast**

last year 10 years average
Sep 28 84.1°F 86.0°F 85.2°F
Sep 29 84.1°F 84.7°F 85.0°F
Sep 30 84.8°F 84.7°F 85.1°F
Oct 1 84.9°F 85.0°F 85.1°F
Oct 2 84.8°F 85.3°F 85.1°F
Oct 3 84.8°F 85.2°F 85.0°F
Oct 4 84.8°F 85.2°F 85.2°F
Oct 5 85.2°F 85.7°F 85.0°F
Oct 6 85.1°F 85.6°F 85.2°F
Oct 7 87.0°F 85.7°F 85.3°F
Oct 8 86.6°F 85.4°F 85.2°F
Oct 9 86.3°F 85.4°F 85.2°F
Oct 10 85.9°F 85.5°F 85.2°F
Oct 11 86.2°F 85.4°F 85.2°F
Oct 12 86.0°F 86.3°F 85.0°F
Oct 13 85.9°F 86.2°F 85.0°F
Oct 14 85.9°F 86.0°F 85.0°F
Oct 15 85.7°F 85.8°F 84.8°F
Oct 16 85.8°F 85.7°F 84.8°F
Oct 17 85.9°F 84.9°F 84.9°F
Oct 18 85.9°F 84.7°F 85.0°F
Oct 19 85.7°F 84.7°F 84.7°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 Buenos Aires by month

In Buenos Aires, the water temperature is comfortable for swimming all year round.
The warmest water in Buenos Aires was recorded on May 27, 2024, reaching a 87.5°F. While the coldest temperature occurred on February 12, 2026, dipping to 76.5°F. The average readings by season are 80.0°F in Winter, 82.8°F in Spring, 83.9°F in Summer, and 84.3°F in Autumn.