Belton Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Belton Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Belton Lake today is 32.6°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 6 | 32.0°C | 28.6°C | |
| AUG 7 | 32.0°C | 28.6°C | |
| AUG 8 | 32.1°C | 28.6°C | |
| AUG 9 | 32.1°C | 28.6°C | |
| AUG 10 | 32.5°C | 28.6°C | |
| AUG 11 | 32.8°C | 28.6°C | |
| AUG 12 | 32.6°C | 28.6°C | |
| AUG 14 | 28.6°C | 32.4°C | |
| AUG 15 | 28.6°C | 32.2°C | |
| AUG 16 | 28.6°C | 32.0°C | |
| AUG 17 | 28.6°C | 31.8°C | |
| AUG 18 | 28.6°C | 31.6°C | |
| AUG 19 | 28.6°C | 31.4°C | |
| AUG 20 | 28.6°C | 31.2°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 | 8°C | 12°C | 16°C |
| February | 7°C | 12°C | 18°C |
| March | 8°C | 15°C | 22°C |
| April | 15°C | 20°C | 25°C |
| May | 18°C | 24°C | 29°C |
| June | 24°C | 27°C | 29°C |
| July | 25°C | 29°C | 33°C |
| August | 25°C | 29°C | 33°C |
| September | 25°C | 29°C | 32°C |
| October | 23°C | 26°C | 29°C |
| November | 14°C | 19°C | 23°C |
| December | 9°C | 14°C | 19°C |
Belton Lake: Water Temperature by Location
Belton Lake: Weather Forecast
August 13
August 14
August 15
August 16
August 17
August 18
Location & Local Information
Belton Lake, a central Texas reservoir, experiences notable seasonal shifts in surface temperature. In winter months the water commonly ranges from about 45–60°F (7–16°C), while spring typically warms to roughly 60–75°F (16–24°C). Peak summer temperatures often reach the mid-70s to upper 80s°F (24–31°C) in shallow, sun-warmed areas, with deeper zones staying cooler. During fall the surface cools back into the 60–75°F (16–24°C) window as air temperatures decline. Local factors such as depth, inflow from the Leon River, recent rainfall, and wind can produce short-term variability, and shallow coves heat up faster than the main basin.
Swimming at Belton Lake is generally permitted in managed recreation areas and parks because the reservoir supports a variety of recreational uses, but access and conditions are regulated. Designated beaches, boat ramps, and park shores are used for swimming, though lifeguards are not typically provided and signs or temporary advisories (for water quality, algae blooms, or hazardous currents near dams and structures) should be observed. Visitors are encouraged to swim in daylight, avoid areas near boat traffic or dam outlets, heed posted rules, and be aware that colder-season water temperatures can increase risks of hypothermia.