Newnans Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Newnans Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Newnans Lake today is 22.6°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 26 | 23.7°C | 20.0°C | |
| OCT 27 | 23.7°C | 20.0°C | |
| OCT 28 | 23.4°C | 20.0°C | |
| OCT 29 | 22.7°C | 20.0°C | |
| OCT 30 | 23.3°C | 20.0°C | |
| OCT 31 | 23.1°C | 20.0°C | |
| NOV 1 | 22.4°C | 17.1°C | |
| NOV 2 | 22.6°C | 17.1°C | |
| NOV 3 | 17.1°C | 22.3°C | |
| NOV 4 | 17.1°C | 22.1°C | |
| NOV 5 | 17.1°C | 21.8°C | |
| NOV 6 | 17.1°C | 21.5°C | |
| NOV 7 | 17.1°C | 21.2°C | |
| NOV 8 | 17.1°C | 21.0°C | |
| NOV 9 | 17.1°C | 20.7°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 | 12°C | 15°C | 18°C |
| February | 11°C | 17°C | 22°C |
| March | 15°C | 20°C | 25°C |
| April | 19°C | 23°C | 27°C |
| May | 21°C | 26°C | 31°C |
| June | 24°C | 30°C | 36°C |
| July | 26°C | 31°C | 36°C |
| August | 24°C | 31°C | 38°C |
| September | 25°C | 29°C | 33°C |
| October | 15°C | 20°C | 25°C |
| November | 11°C | 17°C | 23°C |
| December | 15°C | 19°C | 22°C |
Newnans Lake: Water Temperature by Location
Newnans Lake: Weather Forecast
November 3
November 4
November 5
November 6
November 7
Location & Local Information
Newnans Lake, near Gainesville in north‑central Florida, is a relatively shallow, natural lake whose surface water temperatures vary with the seasons. In summer the lake commonly warms to roughly 80–88°F (27–31°C), while late spring and early fall temperatures typically sit around 68–79°F (20–26°C). Winter surface readings can fall into the 50–66°F range (10–19°C), particularly on colder fronts. Because the lake is shallow and mixes readily, temperatures can change fairly quickly with air temperature and sunlight, and shallow bays warm more than deeper spots.
Swimming is not a formally managed activity at Newnans Lake in the way it is at developed beaches; there are few if any lifeguarded or designated public swim beaches. People do enter the water for informal swimming, but it is often discouraged in places because of dense aquatic vegetation, limited visibility, and the potential for blue‑green algae (cyanobacterial) blooms or elevated bacterial levels after heavy rains. For these reasons and for personal safety—no lifeguards, boat traffic, and underwater obstacles—many prefer boating, paddling, or fishing rather than open‑water swimming unless water conditions and local guidance indicate it is safe.