Elmer Thomas Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Elmer Thomas Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Elmer Thomas Lake today is 21.6°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 5 | 22.9°C | 19.5°C | |
| OCT 6 | 22.6°C | 19.5°C | |
| OCT 7 | 21.8°C | 19.5°C | |
| OCT 8 | 22.6°C | 19.5°C | |
| OCT 9 | 22.3°C | 19.5°C | |
| OCT 10 | 21.9°C | 19.5°C | |
| OCT 11 | 21.6°C | 19.5°C | |
| OCT 12 | 22.0°C | 19.5°C | |
| OCT 13 | 19.5°C | 21.5°C | |
| OCT 14 | 19.5°C | 21.4°C | |
| OCT 15 | 19.5°C | 21.3°C | |
| OCT 16 | 19.5°C | 21.2°C | |
| OCT 17 | 19.5°C | 21.1°C | |
| OCT 18 | 19.5°C | 21.0°C | |
| OCT 19 | 19.5°C | 20.9°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 | 0°C | 6°C | 12°C |
| February | 0°C | 6°C | 13°C |
| March | 2°C | 11°C | 20°C |
| April | 11°C | 16°C | 22°C |
| May | 17°C | 21°C | 26°C |
| June | 21°C | 24°C | 27°C |
| July | 25°C | 29°C | 33°C |
| August | 23°C | 28°C | 34°C |
| September | 21°C | 26°C | 32°C |
| October | 15°C | 20°C | 24°C |
| November | 8°C | 14°C | 20°C |
| December | 4°C | 8°C | 12°C |
Elmer Thomas Lake: Water Temperature by Location
Elmer Thomas Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
October 18
Location & Local Information
Elmer Thomas Lake in southwestern Oklahoma experiences the same seasonal swings in water temperature typical of regional reservoirs. In summer the surface commonly warms into the mid-70s to mid-80s °F (about 24–29 °C), and during heat waves can approach the upper 80s °F (around 31–32 °C). Spring and fall see more moderate temperatures, roughly 50–70 °F (10–21 °C) as the water transitions between seasons. Winter surface readings often fall into the mid-30s to high 40s °F (about 2–9 °C), with colder snaps pushing temperatures lower near freezing in shallow patches. Deeper or shaded areas will remain cooler year-round and the lake can stratify in summer, producing a range of temperatures from surface to bottom.
Swimming at Elmer Thomas Lake is generally possible but not heavily supervised; there are few if any staffed lifeguard beaches, and access is typically subject to park rules, seasonal closures, and water-quality advisories. Because temperatures can be chilly outside the summer months and sudden drops in water temperature increase the risk of cold-water shock, most recreational swimming is concentrated in the warmest weeks of summer. Boating traffic, algae blooms after warm spells, and the lack of formal swim facilities mean swimmers should exercise caution, check local conditions, and treat swimming as a self-responsible activity.