Ellison Creek Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Ellison Creek Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Ellison Creek Reservoir today is 18.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| OCT 26 | 20.2°C | 24.5°C | |
| OCT 27 | 19.8°C | 24.5°C | |
| OCT 28 | 20.4°C | 24.5°C | |
| OCT 29 | 19.9°C | 24.5°C | |
| OCT 30 | 18.9°C | 24.5°C | |
| OCT 31 | 18.5°C | 24.5°C | |
| NOV 1 | 18.7°C | 18.0°C | |
| NOV 2 | 18.1°C | 18.0°C | |
| NOV 3 | 18.0°C | 18.1°C | |
| NOV 4 | 18.0°C | 18.1°C | |
| NOV 5 | 18.0°C | 18.1°C | |
| NOV 6 | 18.0°C | 18.1°C | |
| NOV 7 | 18.0°C | 18.1°C | |
| NOV 8 | 18.0°C | 18.1°C | |
| NOV 9 | 18.0°C | 18.1°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 6°C | 10°C | 15°C |
| February | 6°C | 11°C | 15°C |
| March | 8°C | 14°C | 21°C |
| April | 11°C | 18°C | 25°C |
| May | 20°C | 24°C | 27°C |
| June | 23°C | 26°C | 29°C |
| July | 25°C | 30°C | 35°C |
| August | 26°C | 29°C | 33°C |
| September | 25°C | 29°C | 33°C |
| October | 22°C | 25°C | 27°C |
| November | 14°C | 18°C | 22°C |
| December | 8°C | 12°C | 16°C |
Ellison Creek Reservoir: Water Temperature by Location
Ellison Creek Reservoir: Weather Forecast
November 3
November 4
November 5
November 6
November 7
Location & Local Information
Ellison Creek Reservoir, like many Texas reservoirs, sees notable seasonal swings in surface water temperature. In winter the surface commonly falls into the mid-40s to mid-50s°F (about 7–13°C), while spring warming typically produces temperatures in the 50s to low 70s°F (10–22°C). By summer, surface waters often climb into the mid-70s to around 90°F (24–32°C) on warm, calm days, and early fall usually brings a gradual cooling into the 60s and low 70s°F (16–23°C). Actual temperatures can vary with recent weather, wind, reservoir level and depth; deeper or shaded areas will be colder than shallow, sunlit shallows, and early-morning readings are generally cooler than afternoon highs.
Swimming at Ellison Creek Reservoir is commonly practiced but is largely informal and without lifeguard supervision; some shoreline areas used for recreation allow people to enter the water, while other spots may be posted or discouraged for safety reasons. Water quality, fluctuating levels, underwater hazards and boating traffic influence whether swimming is advisable at any given time, so visitors typically swim at their own risk and are advised to check local notices or park rules before entering the water.