Lake Marion — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Marion, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Marion today is 24.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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 | 24.2°C | 24.0°C | |
| OCT 27 | 24.2°C | 24.0°C | |
| OCT 28 | 24.4°C | 24.0°C | |
| OCT 29 | 24.5°C | 24.0°C | |
| OCT 30 | 23.9°C | 24.0°C | |
| OCT 31 | 24.4°C | 24.0°C | |
| NOV 1 | 24.4°C | 22.2°C | |
| NOV 2 | 24.5°C | 22.2°C | |
| NOV 3 | 22.2°C | 24.4°C | |
| NOV 4 | 22.2°C | 24.3°C | |
| NOV 5 | 22.2°C | 24.2°C | |
| NOV 6 | 22.2°C | 24.0°C | |
| NOV 7 | 22.2°C | 23.9°C | |
| NOV 8 | 22.2°C | 23.8°C | |
| NOV 9 | 22.2°C | 23.7°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 | 17°C | 22°C | 26°C |
| February | 16°C | 22°C | 27°C |
| March | 20°C | 24°C | 27°C |
| April | 21°C | 25°C | 29°C |
| May | 24°C | 27°C | 30°C |
| June | 26°C | 29°C | 32°C |
| July | 25°C | 29°C | 34°C |
| August | 27°C | 30°C | 32°C |
| September | 26°C | 29°C | 31°C |
| October | 21°C | 24°C | 27°C |
| November | 20°C | 22°C | 25°C |
| December | 18°C | 21°C | 24°C |
Lake Marion: Water Temperature by Location
Lake Marion: Weather Forecast
November 3
November 4
November 5
November 6
November 7
Location & Local Information
Lake Marion, like many freshwater lakes in central and northern Florida, experiences noticeable seasonal shifts in water temperature. In summer the surface temperature commonly ranges from about 75–86°F (24–30°C), with the warmest, shallow areas occasionally reaching the upper 80s°F (around 31°C) on hot afternoons. Spring temperatures typically climb through the mid 60s to mid 70s°F (18–24°C) as the lake warms. During fall the water cools back into the 60s and low 70s°F (16–22°C), and in winter surface readings can drop into the mid-50s to mid-60s°F (13–18°C), particularly after cold fronts. These are general ranges; exact values vary with weather, depth, and inflows.
Swimming in Lake Marion is commonly possible because it is a public freshwater body, but whether it is advisable or permitted at any given time depends on local rules and conditions. Authorities may post restrictions for water-quality concerns such as harmful algal blooms or elevated bacterial counts, and natural hazards like submerged debris, currents near inlets, or the presence of alligators can pose risks. Many areas lack lifeguards, so swimmers should heed posted signage, check recent advisories from local parks or health departments, and use caution, especially during cooler months or after heavy rains.