All data are in degrees Fahrenheit

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Water temperature in Port Arthur

Detailed information about the current water temperature in Port Arthur. 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 Port Arthur now

87.9

°F

August 15, 10:24

Trend:

increasing

Yesterday:

87.7°F

Tomorrow:

88.4°F

Sunrise:

06:43

Sunset:

19:57

Day Length:

13 h. 14 min.

Port Arthur in August

Minimum:

53.3°F

Average:

59.2°F

Maximum:

63.8°F

Sea water temperature in Port Arthur today

As of now, in Port Arthur, the water temperature is 87.9°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 1.0°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight 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

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 88.3°F on 2023, while the historical minimum was 85.5°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 88.4°F, with minimum temperature starting at 88.3°F, while the maximum might reach 88.5°F.

Daily water temperature in Port Arthur

Date Current Year

actual* / forecast**

last year 10 years average
Aug 1 87.3°F 87.3°F 86.8°F
Aug 2 86.9°F 87.7°F 86.8°F
Aug 3 87.1°F 86.2°F 86.8°F
Aug 4 88.0°F 86.3°F 86.9°F
Aug 5 88.3°F 86.5°F 87.1°F
Aug 6 88.1°F 87.7°F 87.1°F
Aug 7 87.7°F 87.5°F 87.0°F
Aug 8 87.9°F 88.1°F 87.1°F
Aug 9 88.1°F 88.1°F 87.1°F
Aug 10 87.8°F 87.8°F 86.8°F
Aug 11 87.3°F 87.7°F 86.8°F
Aug 12 87.2°F 88.2°F 87.0°F
Aug 13 87.9°F 87.8°F 87.2°F
Aug 14 87.7°F 88.3°F 87.1°F
Aug 15 87.9°F 88.1°F 86.9°F
Aug 16 88.4°F 88.5°F 87.4°F
Aug 17 88.3°F 88.3°F 87.2°F
Aug 18 88.4°F 88.2°F 87.4°F
Aug 19 88.5°F 89.4°F 87.4°F
Aug 20 88.4°F 89.4°F 87.4°F
Aug 21 88.3°F 89.1°F 87.3°F
Aug 22 88.3°F 88.6°F 87.2°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 Port Arthur by month

In Port Arthur, the months May through October offer comfortable swimming conditions, which amounts to 190 swimming days.
The warmest water in Port Arthur was recorded on August 4, 2023, reaching a 89.7°F. While the coldest temperature occurred on January 18, 2021, dipping to 50.7°F. The average readings by season are 60.0°F in Winter, 71.9°F in Spring, 85.9°F in Summer, and 77.5°F in Autumn.