What is the current water temperature in Houston?

Q: What is the current water temperature in Houston?

As of now, in Houston, the water temperature is 7.52°C. 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.

United Kingdom > Houston

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.

45.5

°F

April 14, 07:42

Trend:

increasing

Yesterday:

45.3°F

Tomorrow:

45.8°F

Sunrise:

06:17

Sunset:

20:22

Day Length:

14 h. 5 min.

Houston in April

Minimum:

46.6°F

Average:

47.2°F

Maximum:

48.1°F

Sea water temperature in Houston today

As of now, in Houston, the water temperature is 45.5°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 0.5°F lower 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

Today's water temperature closely matches the previous two weeks' average, indicating a stable 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 48.1°F on 2025, while the historical minimum was 44.4°F on 2018.

latest data

last year

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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 46.4°F, with minimum temperature starting at 45.8°F, while the maximum might reach 46.9°F.

Daily water temperature in Houston

Date	Current Year actual* / forecast**	last year	10 years average
Mar 31	45.6°F	46.9°F	45.5°F
Apr 1	46.3°F	46.6°F	45.7°F
Apr 2	45.6°F	46.5°F	45.6°F
Apr 3	45.9°F	46.2°F	45.7°F
Apr 4	45.7°F	45.5°F	45.6°F
Apr 5	45.3°F	45.9°F	45.7°F
Apr 6	45.6°F	46.3°F	45.8°F
Apr 7	45.4°F	46.2°F	45.8°F
Apr 8	45.1°F	46.5°F	45.8°F
Apr 9	44.8°F	46.9°F	45.7°F
Apr 10	45.5°F	47.3°F	45.8°F
Apr 11	46.4°F	47.0°F	45.9°F
Apr 12	45.9°F	47.8°F	45.8°F
Apr 13	45.3°F	47.6°F	45.9°F
Apr 14	45.5°F	48.1°F	46.1°F
Apr 15	45.8°F	48.1°F	46.3°F
Apr 16	46.0°F	48.2°F	46.5°F
Apr 17	46.2°F	48.2°F	46.7°F
Apr 18	46.4°F	48.3°F	46.9°F
Apr 19	46.7°F	48.4°F	47.2°F
Apr 20	46.9°F	48.4°F	47.4°F
Apr 21	46.9°F	48.3°F	47.4°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, 57.3°F in Summer, and 54.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Dumbarton	45.5°F	5mi
Alexandria	45.5°F	9mi
Ayr	46.5°F	28mi
Falkirk	45.5°F	31mi
Fort William	44.9°F	69mi

* current water temperature in this city

** straight line distance from Houston