Lake Cunningham — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Cunningham, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Cunningham today is 29.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating. 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 |
|---|---|---|---|
| JUL 14 | 27.5°C | 26.9°C | |
| JUL 15 | 29.8°C | 26.9°C | |
| JUL 16 | 29.8°C | 26.9°C | |
| JUL 17 | 29.8°C | 26.9°C | |
| JUL 18 | 28.9°C | 26.9°C | |
| JUL 19 | 28.9°C | 26.9°C | |
| JUL 20 | 29.0°C | 26.9°C | |
| JUL 21 | 29.4°C | 26.9°C | |
| JUL 22 | 26.9°C | 29.3°C | |
| JUL 23 | 26.9°C | 29.2°C | |
| JUL 24 | 26.9°C | 29.0°C | |
| JUL 25 | 26.9°C | 28.9°C | |
| JUL 26 | 26.9°C | 28.8°C | |
| JUL 27 | 26.9°C | 28.7°C | |
| JUL 28 | 26.9°C | 28.5°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 | 5°C | 9°C | 12°C |
| February | 4°C | 8°C | 12°C |
| March | 7°C | 13°C | 19°C |
| April | 14°C | 18°C | 23°C |
| May | 16°C | 20°C | 25°C |
| June | 20°C | 24°C | 27°C |
| July | 24°C | 27°C | 30°C |
| August | 23°C | 27°C | 30°C |
| September | 22°C | 26°C | 29°C |
| October | 17°C | 22°C | 27°C |
| November | 12°C | 16°C | 19°C |
| December | 7°C | 11°C | 14°C |
Lake Cunningham: Water Temperature by Location
Lake Cunningham: Weather Forecast
July 22
July 23
July 24
July 25
July 26
Location & Local Information
Lake Cunningham in South Carolina experiences water temperatures that mirror the regional climate and can change with depth and season. In summer, surface temperatures commonly climb into the mid-70s to mid-80s °F (about 24–29 °C), occasionally reaching the upper 80s °F (around 31 °C) on heatwaves. Spring typically brings cooler water, often ranging from roughly 50–70 °F (10–21 °C) as runoff and warming progress, while fall surface temperatures generally sit between about 60–75 °F (16–24 °C) as the lake sheds summer heat. Winter surface temperatures most often fall into the 40–55 °F range (4–13 °C), with deeper water staying colder and stratification affecting localized temperatures. Short-term weather, recent rainfall, and water depth can all produce significant day-to-day variation.
Swimming opportunities at Lake Cunningham depend on local management and conditions; many smaller South Carolina reservoirs do not have formal, lifeguarded beaches and may not be promoted for recreational swimming. Visitors should assume there are no dedicated swimming facilities unless clearly posted and should heed signage and local rules. Reasons authorities sometimes discourage or restrict swimming include water-quality concerns, boat traffic, submerged hazards, lack of rescue services, and fluctuating temperatures that create safety risks. Before entering the water, check with local park officials or landowners for current advisories and permitted uses.