Okmulgee Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Okmulgee Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Okmulgee Lake today is 25.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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 |
|---|---|---|---|
| SEP 14 | 26.1°C | 26.5°C | |
| SEP 15 | 26.2°C | 26.5°C | |
| SEP 16 | 26.1°C | 26.5°C | |
| SEP 17 | 26.1°C | 26.5°C | |
| SEP 18 | 26.4°C | 26.5°C | |
| SEP 19 | 26.1°C | 26.5°C | |
| SEP 20 | 25.9°C | 26.5°C | |
| SEP 21 | 25.7°C | 26.5°C | |
| SEP 22 | 26.5°C | 25.7°C | |
| SEP 23 | 26.5°C | 25.8°C | |
| SEP 24 | 26.5°C | 25.8°C | |
| SEP 25 | 26.5°C | 25.9°C | |
| SEP 26 | 26.5°C | 25.9°C | |
| SEP 27 | 26.5°C | 25.9°C | |
| SEP 28 | 26.5°C | 26.0°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 | 3°C | 16°C | 29°C |
| February | 2°C | 15°C | 27°C |
| March | 2°C | 16°C | 29°C |
| April | 14°C | 21°C | 27°C |
| May | 17°C | 24°C | 30°C |
| June | 21°C | 26°C | 31°C |
| July | 24°C | 29°C | 33°C |
| August | 26°C | 30°C | 33°C |
| September | 22°C | 27°C | 31°C |
| October | 19°C | 24°C | 28°C |
| November | 12°C | 17°C | 21°C |
| December | 5°C | 11°C | 16°C |
Okmulgee Lake: Water Temperature by Location
Okmulgee Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Surface water temperatures at Okmulgee Lake follow the seasonal patterns typical of inland Oklahoma reservoirs. In winter the lake’s surface commonly cools to roughly 40–55°F (4–13°C). Spring brings a steady warm-up, with surface readings often between about 50–70°F (10–21°C) as air temperatures moderate. Peak summer surface temperatures are usually in the mid-70s to mid-80s F, approximately 24–29°C, though shallow bays can climb higher during heat waves. During autumn the lake typically falls back into a comfortable range near 60–75°F (16–24°C) as the water releases summer heat. These are approximate surface values; deeper water will generally remain cooler and localized conditions (wind, shade, and inflows) can alter temperatures daily.
Swimming at Okmulgee Lake is generally permitted because the reservoir is managed for multiple recreational uses including boating, fishing, and informal bathing. There may not be staffed beaches or lifeguards, and local rules or temporary advisories can restrict swimming for safety or water-quality reasons, so users should watch posted notices. Hazards such as submerged timber, variable depths, boat traffic and occasional algal blooms make caution important; wearing a personal flotation device, staying close to shore, and checking current advisories will improve safety and comfort given the seasonal temperatures.