All data are in degrees Fahrenheit

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Water temperature in Houston

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

59.4

°F

September 8, 18:42

Trend:

decreasing

Yesterday:

59.5°F

Tomorrow:

59.2°F

Sunrise:

06:36

Sunset:

19:55

Day Length:

13 h. 19 min.

Houston in September

Minimum:

46.6°F

Average:

46.9°F

Maximum:

47.3°F

Sea water temperature in Houston today

As of now, in Houston, the water temperature is 59.4°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.4°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 slightly 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 60.0°F on 2023, while the historical minimum was 56.8°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 58.7°F, the minimum temperature may reach 58.2°F, and the maximum might stay at 59.2°F.

Daily water temperature in Houston

Date Current Year

actual* / forecast**

last year 10 years average
Aug 25 60.7°F 61.0°F 59.7°F
Aug 26 60.3°F 60.7°F 59.5°F
Aug 27 60.8°F 60.1°F 59.2°F
Aug 28 60.5°F 59.6°F 58.9°F
Aug 29 59.9°F 59.6°F 58.8°F
Aug 30 59.6°F 59.4°F 58.6°F
Aug 31 59.5°F 59.3°F 58.4°F
Sep 1 59.4°F 60.1°F 58.6°F
Sep 2 59.1°F 60.0°F 58.5°F
Sep 3 59.4°F 60.0°F 58.4°F
Sep 4 59.2°F 59.8°F 58.3°F
Sep 5 59.1°F 59.3°F 58.3°F
Sep 6 59.7°F 59.3°F 58.5°F
Sep 7 59.5°F 59.1°F 58.4°F
Sep 8 59.4°F 59.1°F 58.0°F
Sep 9 59.2°F 59.1°F 57.9°F
Sep 10 59.1°F 58.6°F 57.7°F
Sep 11 58.9°F 58.4°F 57.5°F
Sep 12 58.6°F 58.0°F 57.2°F
Sep 13 58.3°F 57.7°F 57.0°F
Sep 14 58.2°F 57.7°F 56.9°F
Sep 15 58.4°F 57.6°F 57.0°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 Houston by month

In an average year, Houston offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Houston was recorded on July 22, 2021, reaching a 62.3°F. While the coldest temperature occurred on March 14, 2016, dipping to 42.8°F. The average readings by season are 46.7°F in Winter, 47.3°F in Spring, 57.5°F in Summer, and 54.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Dumbarton 59.4°F 5mi
Alexandria 59.4°F 9mi
Ayr 59.9°F 28mi
Falkirk 59.2°F 31mi
Fort William 56.8°F 69mi

* current water temperature in this city

** straight line distance from Houston