Lady Bird Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lady Bird Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lady Bird Lake today is 33°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating. 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 |
|---|---|---|---|
| AUG 5 | 31.5°C | 29.5°C | |
| AUG 6 | 31.4°C | 29.5°C | |
| AUG 7 | 31.4°C | 29.5°C | |
| AUG 8 | 32.2°C | 29.5°C | |
| AUG 9 | 32.2°C | 29.5°C | |
| AUG 10 | 32.2°C | 29.5°C | |
| AUG 11 | 32.9°C | 29.5°C | |
| AUG 12 | 33.0°C | 29.5°C | |
| AUG 13 | 29.5°C | 32.8°C | |
| AUG 14 | 29.5°C | 32.7°C | |
| AUG 15 | 29.5°C | 32.5°C | |
| AUG 16 | 29.5°C | 32.3°C | |
| AUG 17 | 29.5°C | 32.1°C | |
| AUG 18 | 29.5°C | 32.0°C | |
| AUG 19 | 29.5°C | 31.8°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 | 9°C | 13°C | 18°C |
| February | 9°C | 14°C | 20°C |
| March | 12°C | 18°C | 24°C |
| April | 11°C | 18°C | 26°C |
| May | 20°C | 26°C | 32°C |
| June | 22°C | 28°C | 34°C |
| July | 25°C | 29°C | 33°C |
| August | 26°C | 30°C | 33°C |
| September | 23°C | 25°C | 27°C |
| October | 24°C | 27°C | 30°C |
| November | 16°C | 20°C | 24°C |
| December | 10°C | 15°C | 20°C |
Lady Bird Lake: Water Temperature by Location
Lady Bird Lake: Weather Forecast
August 13
August 14
August 15
August 16
August 17
August 18
Location & Local Information
Lady Bird Lake is a managed urban reservoir on the Colorado River in Austin, and its surface water temperatures fluctuate with the seasons. In winter the surface typically cools to roughly 45–60°F (7–16°C), while spring sees a rise into the 60–75°F range (16–24°C). Summer months commonly bring the warmest conditions, with surface temperatures often between 75–85°F (24–29°C) and occasionally higher during heat waves. In autumn the lake cools again into the roughly 60–75°F (16–24°C) band. These are general surface values; actual temperatures vary by weather, time of day, depth, and dam releases, so local conditions can differ from these averages.
Swimming in Lady Bird Lake is generally discouraged and in many downtown stretches effectively not allowed under city rules because of safety and water-quality concerns. The combination of boat and paddle traffic, submerged structures and outlets, unpredictable currents near the dam, and periodic urban runoff or bacterial contamination all contribute to restrictions and cautionary advisories. As a result, recreational users more commonly paddle or row on the lake while swimmers use designated, monitored sites nearby; any decision to enter the water should follow local signage and guidance from city authorities for safety.