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

86.2

°F

September 7, 07:25

Trend:

decreasing

Yesterday:

86.7°F

Tomorrow:

86.2°F

Sunrise:

06:56

Sunset:

19:31

Day Length:

12 h. 35 min.

Port Arthur in September

Minimum:

53.6°F

Average:

58.3°F

Maximum:

63.4°F

Sea water temperature in Port Arthur today

As of now, in Port Arthur, the water temperature is 86.2°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 1.2°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

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 87.9°F on 2019, while the historical minimum was 82.2°F on 2017.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 85.4°F, the minimum temperature may reach 84.7°F, and the maximum might stay at 86.2°F.

Daily water temperature in Port Arthur

Date Current Year

actual* / forecast**

last year 10 years average
Aug 24 87.1°F 88.3°F 86.9°F
Aug 25 87.0°F 88.1°F 87.0°F
Aug 26 87.0°F 88.0°F 87.1°F
Aug 27 86.8°F 88.0°F 86.8°F
Aug 28 86.8°F 87.3°F 86.6°F
Aug 29 88.2°F 87.2°F 86.6°F
Aug 30 86.6°F 87.0°F 86.2°F
Aug 31 86.5°F 86.9°F 85.9°F
Sep 1 86.2°F 85.4°F 85.6°F
Sep 2 86.6°F 84.6°F 85.6°F
Sep 3 85.2°F 84.5°F 85.3°F
Sep 4 86.7°F 84.3°F 85.4°F
Sep 5 86.2°F 84.2°F 85.3°F
Sep 6 86.7°F 84.0°F 85.4°F
Sep 7 86.2°F 83.6°F 85.0°F
Sep 8 86.2°F 83.4°F 85.0°F
Sep 9 86.0°F 82.3°F 84.8°F
Sep 10 85.8°F 82.2°F 84.6°F
Sep 11 85.5°F 82.1°F 84.3°F
Sep 12 84.9°F 79.5°F 83.7°F
Sep 13 84.8°F 79.8°F 83.6°F
Sep 14 84.7°F 81.8°F 83.6°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 59.9°F in Winter, 71.6°F in Spring, 85.7°F in Summer, and 77.3°F in Autumn.