Lake Glenville — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Glenville, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Glenville today is 18°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 | 19.9°C | 19.5°C | |
| OCT 6 | 19.7°C | 19.5°C | |
| OCT 7 | 20.1°C | 19.5°C | |
| OCT 8 | 19.9°C | 19.5°C | |
| OCT 9 | 19.4°C | 19.5°C | |
| OCT 10 | 19.2°C | 19.5°C | |
| OCT 11 | 19.1°C | 19.5°C | |
| OCT 12 | 18.2°C | 19.5°C | |
| OCT 13 | 19.5°C | 18.1°C | |
| OCT 14 | 19.5°C | 18.2°C | |
| OCT 15 | 19.5°C | 18.2°C | |
| OCT 16 | 19.5°C | 18.3°C | |
| OCT 17 | 19.5°C | 18.4°C | |
| OCT 18 | 19.5°C | 18.5°C | |
| OCT 19 | 19.5°C | 18.5°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 | 1°C | 7°C | 12°C |
| February | 0°C | 6°C | 11°C |
| March | 5°C | 9°C | 12°C |
| April | 11°C | 16°C | 20°C |
| May | 13°C | 19°C | 24°C |
| June | 15°C | 22°C | 27°C |
| July | 20°C | 25°C | 29°C |
| August | 21°C | 24°C | 27°C |
| September | 19°C | 23°C | 27°C |
| October | 14°C | 20°C | 25°C |
| November | 6°C | 12°C | 17°C |
| December | 2°C | 7°C | 11°C |
Lake Glenville: Water Temperature by Location
Lake Glenville: Weather Forecast
October 13
October 14
October 15
October 16
October 17
October 18
Location & Local Information
Lake Glenville, a high-elevation reservoir in western North Carolina, experiences a wide range of water temperatures through the year. In winter the surface often cools to around 32–45°F (0–7°C), while spring warming typically brings surface temperatures up to about 45–65°F (7–18°C). The warmest conditions occur in midsummer, when surface readings commonly reach 65–80°F (18–27°C) and can occasionally approach the low 80s°F (around 28–29°C) on very hot days. By autumn the lake cools again to roughly 50–68°F (10–20°C). Deeper water remains noticeably colder at all times because of the lake’s depth and mountain location, so temperature can change quickly with depth or near dam releases.
Swimming is generally possible at Lake Glenville, but access and safety conditions vary. The lake is used primarily for boating and recreation rather than supervised public beaches, so swimmers should expect limited lifeguard presence and pay attention to private property boundaries, seasonal water-level changes, and boat traffic. Cold, deep water and sudden temperature shifts increase the risk of cold-water shock or hypothermia outside peak summer months, so swimming is safest in mid-to-late summer when surface temperatures are warmest and visibility and access are best.