Canyon Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Canyon Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Canyon Lake today is 21°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 | 22.0°C | 27.2°C | |
| OCT 27 | 22.1°C | 27.2°C | |
| OCT 28 | 23.2°C | 27.2°C | |
| OCT 29 | 22.4°C | 27.2°C | |
| OCT 30 | 22.0°C | 27.2°C | |
| OCT 31 | 21.7°C | 27.2°C | |
| NOV 1 | 21.2°C | 20.2°C | |
| NOV 2 | 21.0°C | 20.2°C | |
| NOV 3 | 20.2°C | 21.0°C | |
| NOV 4 | 20.2°C | 20.9°C | |
| NOV 5 | 20.2°C | 20.9°C | |
| NOV 6 | 20.2°C | 20.8°C | |
| NOV 7 | 20.2°C | 20.8°C | |
| NOV 8 | 20.2°C | 20.8°C | |
| NOV 9 | 20.2°C | 20.7°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 | 17°C |
| February | 9°C | 15°C | 20°C |
| March | 14°C | 19°C | 25°C |
| April | 11°C | 18°C | 26°C |
| May | 20°C | 26°C | 32°C |
| June | 20°C | 27°C | 34°C |
| July | 23°C | 28°C | 33°C |
| August | 27°C | 30°C | 33°C |
| September | 23°C | 27°C | 31°C |
| October | 25°C | 27°C | 30°C |
| November | 15°C | 20°C | 25°C |
| December | 10°C | 14°C | 19°C |
Canyon Lake: Water Temperature by Location
Canyon Lake: Weather Forecast
November 3
November 4
November 5
November 6
November 7
Location & Local Information
Canyon Lake’s water temperature varies widely with the seasons and with depth. Surface readings in summer commonly reach the mid-to-high 70s up to around 90°F (about 25–32°C) in shallow, sun-warmed areas, while spring surface temperatures typically range from the mid-50s to the upper 60s °F (roughly 13–20°C). Fall sees a gradual cooling back into the 60s–70s °F (16–24°C), and winter surface temperatures can fall into the mid-40s to low 60s °F (about 7–16°C). Because the lake is a reservoir on the Guadalupe River, colder inflows and deeper water layers can be substantially cooler than surface readings, so actual temperature at swimming depth depends on location and recent weather.
Swimming in Canyon Lake is generally permitted and is a popular recreational activity, particularly during the warm months when surface temperatures are most comfortable. Public access areas and beaches provide places to enter the water, but conditions vary and swimmers should be cautious: many areas are unguarded, boat traffic and sudden drop-offs are present, and water quality or levels can change with rainfall and management actions. People choose to swim when temperatures are warm enough for comfort and safety, while cooler seasons or colder depths may limit swimming to brief exposures or be unsuitable without protective gear.