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 27.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. 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 | 31.0°C | |
| JUL 15 | 30.0°C | 31.0°C | |
| JUL 16 | 30.0°C | 31.0°C | |
| JUL 17 | 28.9°C | 31.0°C | |
| JUL 18 | 27.4°C | 31.0°C | |
| JUL 19 | 27.6°C | 31.0°C | |
| JUL 20 | 27.9°C | 31.0°C | |
| JUL 21 | 27.8°C | 31.0°C | |
| JUL 22 | 31.0°C | 28.0°C | |
| JUL 23 | 31.0°C | 28.1°C | |
| JUL 24 | 31.0°C | 28.3°C | |
| JUL 25 | 31.0°C | 28.4°C | |
| JUL 26 | 31.0°C | 28.6°C | |
| JUL 27 | 31.0°C | 28.8°C | |
| JUL 28 | 31.0°C | 28.9°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
July 22
July 23
July 24
July 25
July 26
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.