Lake Rabun — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Rabun, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Rabun today is 28.2°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 | 25.5°C | 25.6°C | |
| JUL 15 | 27.6°C | 25.6°C | |
| JUL 16 | 27.6°C | 25.6°C | |
| JUL 17 | 27.8°C | 25.6°C | |
| JUL 18 | 27.9°C | 25.6°C | |
| JUL 19 | 28.0°C | 25.6°C | |
| JUL 20 | 28.1°C | 25.6°C | |
| JUL 21 | 28.4°C | 25.6°C | |
| JUL 22 | 25.6°C | 28.1°C | |
| JUL 23 | 25.6°C | 27.9°C | |
| JUL 24 | 25.6°C | 27.8°C | |
| JUL 25 | 25.6°C | 27.7°C | |
| JUL 26 | 25.6°C | 27.6°C | |
| JUL 27 | 25.6°C | 27.4°C | |
| JUL 28 | 25.6°C | 27.3°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 | 4°C | 8°C | 12°C |
| February | 4°C | 7°C | 10°C |
| March | 8°C | 11°C | 15°C |
| April | 13°C | 17°C | 21°C |
| May | 17°C | 21°C | 24°C |
| June | 20°C | 23°C | 26°C |
| July | 23°C | 26°C | 29°C |
| August | 21°C | 23°C | 26°C |
| September | 19°C | 21°C | 24°C |
| October | 17°C | 20°C | 23°C |
| November | 11°C | 14°C | 17°C |
| December | 6°C | 9°C | 12°C |
Lake Rabun: Water Temperature by Location
Lake Rabun: Weather Forecast
July 22
July 23
July 24
July 25
July 26
Location & Local Information
Lake Rabun, a reservoir in northeast Georgia’s mountain region, exhibits clear seasonal swings in surface water temperature. In winter the lake typically cools to roughly 35–50°F (2–10°C). Spring sees a gradual rise, often ranging from about 50–65°F (10–18°C) as air temperatures warm. The warmest period is summer, when surface readings commonly reach 70–80°F (21–27°C) and can climb into the low 80s–mid 80s°F (28–29°C) during heat spells; deeper water remains noticeably cooler. Autumn brings a steady decline, with temperatures generally falling back into the mid 50s–70°F (13–21°C). These are typical surface values; local conditions, recent weather, shading and depth can shift temperatures from day to day.
Swimming in Lake Rabun is commonly practiced and broadly permitted, since the lake is used for recreation by homeowners and visitors alike. There are no widespread prohibitions on swimming, but people should choose spots away from boat traffic, be mindful of currents near inlets and the dam, and consider that water outside midsummer can be uncomfortably cold or even hazardous due to hypothermia risk. Public access points and private docks may have specific rules, and swimmers are advised to observe posted signs, use life jackets when appropriate, and check current conditions before entering the water.