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

67.2

°F

December 5, 14:07

Trend:

decreasing

Yesterday:

67.7°F

Tomorrow:

67.0°F

Sunrise:

06:57

Sunset:

17:16

Day Length:

10 h. 19 min.

Port Arthur in December

Minimum:

55.4°F

Average:

58.0°F

Maximum:

64.0°F

Sea water temperature in Port Arthur today

As of now, in Port Arthur, the water temperature is 67.2°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.5°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 65.8°F on 2016, while the historical minimum was 62.4°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 66.3°F, the minimum temperature may reach 65.8°F, and the maximum might stay at 67.0°F.

Daily water temperature in Port Arthur

Date Current Year

actual* / forecast**

last year 10 years average
Nov 21 72.8°F 72.9°F 68.4°F
Nov 22 73.6°F 71.8°F 68.0°F
Nov 23 74.0°F 71.3°F 68.0°F
Nov 24 72.9°F 71.1°F 67.8°F
Nov 25 72.5°F 69.2°F 67.5°F
Nov 26 72.8°F 68.5°F 67.5°F
Nov 27 71.9°F 67.8°F 67.4°F
Nov 28 71.3°F 67.9°F 67.3°F
Nov 29 70.9°F 67.9°F 67.2°F
Nov 30 70.4°F 67.6°F 67.0°F
Dec 1 69.6°F 67.0°F 66.3°F
Dec 2 68.9°F 65.9°F 65.8°F
Dec 3 68.3°F 65.3°F 65.5°F
Dec 4 67.7°F 64.1°F 65.2°F
Dec 5 67.2°F 63.9°F 64.7°F
Dec 6 67.0°F 63.6°F 64.5°F
Dec 7 66.8°F 63.2°F 64.2°F
Dec 8 66.4°F 63.0°F 63.9°F
Dec 9 66.2°F 62.8°F 63.7°F
Dec 10 66.3°F 62.7°F 63.7°F
Dec 11 65.8°F 62.6°F 63.3°F
Dec 12 65.8°F 62.0°F 63.3°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 77.4°F in Autumn.