Glenn Springs Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Glenn Springs Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Glenn Springs Lake today is 25.2°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 13 | 25.5°C | 25.6°C | |
| SEP 14 | 25.4°C | 25.6°C | |
| SEP 15 | 24.8°C | 25.6°C | |
| SEP 16 | 24.8°C | 25.6°C | |
| SEP 17 | 25.3°C | 25.6°C | |
| SEP 18 | 25.7°C | 25.6°C | |
| SEP 19 | 25.5°C | 25.6°C | |
| SEP 20 | 25.3°C | 25.6°C | |
| SEP 21 | 25.6°C | 25.2°C | |
| SEP 22 | 25.6°C | 25.2°C | |
| SEP 23 | 25.6°C | 25.3°C | |
| SEP 24 | 25.6°C | 25.3°C | |
| SEP 25 | 25.6°C | 25.3°C | |
| SEP 26 | 25.6°C | 25.3°C | |
| SEP 27 | 25.6°C | 25.3°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 | 7°C | 11°C |
| February | 2°C | 6°C | 11°C |
| March | 4°C | 11°C | 17°C |
| April | 11°C | 17°C | 23°C |
| May | 17°C | 21°C | 25°C |
| June | 21°C | 26°C | 30°C |
| July | 24°C | 28°C | 32°C |
| August | 24°C | 28°C | 33°C |
| September | 23°C | 26°C | 28°C |
| October | 18°C | 22°C | 25°C |
| November | 9°C | 14°C | 18°C |
| December | 5°C | 8°C | 11°C |
Glenn Springs Lake: Water Temperature by Location
Glenn Springs Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Glenn Springs Lake is a spring-fed body of water in Tennessee, so its temperature behavior is governed by both the inflowing groundwater and seasonal air temperatures. In general, surface temperatures in winter typically sit around 36–45°F (2–7°C), spring and fall see a wider range roughly 45–60°F (7–16°C) as the lake responds to changing air temperatures, and summertime surface readings commonly reach about 70–80°F (21–27°C), sometimes a bit warmer on hot days. Deeper water and areas near the spring outlets tend to remain cooler year-round, and the lake can stratify in summer so that temperatures vary with depth.
Swimming opportunities at Glenn Springs Lake depend on access, local rules, and current conditions rather than an absolute prohibition. Because spring-fed lakes often have clearer, cooler water and can maintain good water quality, they are frequently used for swimming where public access and designated swimming areas exist. However, swimmers should be aware of seasonal cold-water risks in spring and fall, possible absence of lifeguards, and local advisories about water quality or private property; always follow posted signs and check with local authorities before entering the water.