Old Hickory Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Old Hickory Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Old Hickory Lake today is 25.4°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 |
|---|---|---|---|
| JUN 23 | 24.6°C | 24.0°C | |
| JUN 24 | 24.5°C | 24.0°C | |
| JUN 25 | 24.5°C | 24.0°C | |
| JUN 26 | 24.6°C | 24.0°C | |
| JUN 27 | 24.9°C | 24.0°C | |
| JUN 28 | 24.6°C | 24.0°C | |
| JUN 29 | 25.0°C | 24.0°C | |
| JUN 30 | 25.4°C | 24.0°C | |
| JUL 1 | 27.5°C | 25.5°C | |
| JUL 2 | 27.5°C | 25.6°C | |
| JUL 3 | 27.5°C | 25.7°C | |
| JUL 4 | 27.5°C | 25.8°C | |
| JUL 5 | 27.5°C | 25.9°C | |
| JUL 6 | 27.5°C | 26.0°C | |
| JUL 7 | 27.5°C | 26.1°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 | 2°C | 7°C | 12°C |
| February | 4°C | 8°C | 12°C |
| March | 10°C | 14°C | 18°C |
| April | 12°C | 17°C | 23°C |
| May | 17°C | 22°C | 26°C |
| June | 20°C | 24°C | 28°C |
| July | 23°C | 28°C | 32°C |
| August | 23°C | 28°C | 32°C |
| September | 22°C | 27°C | 32°C |
| October | 17°C | 21°C | 24°C |
| November | 10°C | 14°C | 17°C |
| December | 6°C | 9°C | 12°C |
Old Hickory Lake: Water Temperature by Location
Old Hickory Lake: Weather Forecast
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Location & Local Information
Old Hickory Lake, a reservoir on the Cumberland River in central Tennessee, experiences a wide range of surface temperatures through the year. In winter the water commonly falls into the mid-30s to upper-40s °F (about 2–9 °C), spring brings a gradual warming into the 50s and low 70s °F (10–22 °C) as runoff and air temperatures rise, and summer surface temperatures often reach the 70s to mid-80s °F (21–29 °C) on warm spells. During autumn the lake typically cools back into the mid-50s to low 70s °F (13–22 °C). These are general seasonal ranges; local weather, depth, and flow can make actual temperatures vary by location and day.
Swimming on Old Hickory Lake is possible in many spots because it is publicly accessible water, but it is not widely managed as a traditional swim beach. Many areas lack lifeguards and there are hazards such as boat traffic, variable currents, fluctuating water levels, submerged structures, and occasional water-quality advisories, so people swim at their own risk. Cooler shoulder-season temperatures increase the risk of cold-water shock and hypothermia, while summer temperatures are generally comfortable for swimming. Visitors should heed posted signs, follow any park or Corps of Engineers guidance, and use caution when entering the water.