Ray Roberts Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Ray Roberts Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Ray Roberts 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 4 | 31.5°C | 29.6°C | |
| AUG 5 | 31.4°C | 29.6°C | |
| AUG 6 | 31.4°C | 29.6°C | |
| AUG 7 | 31.4°C | 29.6°C | |
| AUG 8 | 32.1°C | 29.6°C | |
| AUG 9 | 32.3°C | 29.6°C | |
| AUG 10 | 32.8°C | 29.6°C | |
| AUG 11 | 33.2°C | 29.6°C | |
| AUG 12 | 29.6°C | 32.8°C | |
| AUG 13 | 29.6°C | 32.7°C | |
| AUG 14 | 29.6°C | 32.5°C | |
| AUG 15 | 29.6°C | 32.3°C | |
| AUG 16 | 29.6°C | 32.2°C | |
| AUG 17 | 29.6°C | 32.0°C | |
| AUG 18 | 29.6°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 | 6°C | 10°C | 14°C |
| February | 5°C | 10°C | 15°C |
| March | 6°C | 13°C | 21°C |
| April | 16°C | 20°C | 25°C |
| May | 18°C | 22°C | 26°C |
| June | 21°C | 24°C | 28°C |
| July | 25°C | 29°C | 33°C |
| August | 26°C | 30°C | 34°C |
| September | 24°C | 28°C | 31°C |
| October | 21°C | 23°C | 26°C |
| November | 12°C | 17°C | 22°C |
| December | 8°C | 12°C | 17°C |
Ray Roberts Lake: Water Temperature by Location
Ray Roberts Lake: Weather Forecast
August 12
August 13
August 14
August 15
Location & Local Information
Ray Roberts Lake, north of the Dallas–Fort Worth area, experiences marked seasonal swings in surface water temperature. In winter months the lake often cools to roughly 40–55°F (4–13°C), while spring sees a steady rise into the mid‑50s to mid‑70s°F (13–24°C) as the weather warms. Summer surface temperatures commonly range from about 75–90°F (24–32°C), with the warmest readings in shallow coves and on calm afternoons; deeper water remains cooler. In autumn the lake typically cools again into the 60s–80s°F (16–27°C) before the winter decline. Actual temperatures vary with recent weather, depth, wind and inflow, so local readings can differ from these typical ranges.
Swimming at Ray Roberts is generally permitted in public access areas and at managed shoreline areas operated by the state park and Corps of Engineers, but conditions and rules vary by site. Most swim areas are unguarded, so swimmers should treat swimming as at‑your‑own‑risk and heed posted signs; certain boat ramps, marinas or restricted zones are not suitable or allowed for bathing due to boat traffic and safety regulations. Water‑quality advisories or algae blooms can occasionally prompt temporary closures, and cold winter temperatures can present hypothermia risk, so checking current park notices and exercising caution is recommended before entering the water.