Lake Murray — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Murray, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Murray today is 21.8°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 10 | 23.2°C | 23.5°C | |
| OCT 11 | 23.0°C | 23.5°C | |
| OCT 12 | 22.0°C | 23.5°C | |
| OCT 13 | 22.1°C | 23.5°C | |
| OCT 14 | 22.2°C | 23.5°C | |
| OCT 15 | 22.1°C | 23.5°C | |
| OCT 16 | 21.6°C | 23.5°C | |
| OCT 17 | 21.9°C | 23.5°C | |
| OCT 18 | 23.5°C | 21.9°C | |
| OCT 19 | 23.5°C | 22.0°C | |
| OCT 20 | 23.5°C | 22.1°C | |
| OCT 21 | 23.5°C | 22.1°C | |
| OCT 22 | 23.5°C | 22.2°C | |
| OCT 23 | 23.5°C | 22.3°C | |
| OCT 24 | 23.5°C | 22.4°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 | 6°C | 10°C | 14°C |
| February | 5°C | 11°C | 16°C |
| March | 8°C | 14°C | 20°C |
| April | 14°C | 19°C | 24°C |
| May | 17°C | 22°C | 26°C |
| June | 18°C | 25°C | 32°C |
| July | 22°C | 25°C | 29°C |
| August | 24°C | 29°C | 34°C |
| September | 23°C | 28°C | 32°C |
| October | 19°C | 24°C | 28°C |
| November | 13°C | 17°C | 20°C |
| December | 9°C | 13°C | 17°C |
Lake Murray: Water Temperature by Location
Lake Murray: Weather Forecast
October 18
October 19
October 20
October 21
October 22
October 23
Location & Local Information
Lake Murray, a large reservoir near Columbia, South Carolina, experiences a wide range of surface water temperatures through the year. In summer the lake commonly warms to roughly 75–85°F (24–29°C), making it quite comfortable for extended swims; late-summer heat spikes can push surface readings a bit higher in shallow bays. Spring temperatures generally climb from about 50–75°F (10–24°C) as the water responds to warming air, while autumn sees a gradual cooling into the 60–75°F (15–24°C) band. Winter surface temperatures often drop to about 40–55°F (4–13°C), with the coldest stretches producing brisk, near-freezing conditions in shallow areas. These figures are typical surface ranges and can vary with depth, weather patterns, and time of day.
Swimming at Lake Murray is possible and commonly practiced, but it’s governed by local access and safety considerations rather than a single universal rule. There are public parks, marinas, and private shoreline spots where people swim, yet many areas lack lifeguards and are popular with boat traffic, so swimmers are expected to heed posted rules, use designated recreation areas when provided, and exercise caution. Water quality is monitored periodically, but conditions can change, so checking local advisories and observing safety practices is recommended before entering the water.