Lake Freeman — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Freeman, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Freeman today is 21.2°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 |
|---|---|---|---|
| SEP 14 | 21.6°C | 24.0°C | |
| SEP 15 | 22.2°C | 24.0°C | |
| SEP 16 | 20.3°C | 24.0°C | |
| SEP 17 | 20.4°C | 24.0°C | |
| SEP 18 | 20.3°C | 24.0°C | |
| SEP 19 | 20.7°C | 24.0°C | |
| SEP 20 | 20.5°C | 24.0°C | |
| SEP 22 | 24.0°C | 21.3°C | |
| SEP 23 | 24.0°C | 21.5°C | |
| SEP 24 | 24.0°C | 21.6°C | |
| SEP 25 | 24.0°C | 21.8°C | |
| SEP 26 | 24.0°C | 21.9°C | |
| SEP 27 | 24.0°C | 22.0°C | |
| SEP 28 | 24.0°C | 22.2°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 | 0°C | 2°C | 4°C |
| February | 0°C | 3°C | 5°C |
| March | 3°C | 7°C | 12°C |
| April | 7°C | 12°C | 18°C |
| May | 11°C | 16°C | 21°C |
| June | 17°C | 20°C | 24°C |
| July | 22°C | 28°C | 33°C |
| August | 23°C | 26°C | 29°C |
| September | 20°C | 24°C | 28°C |
| October | 14°C | 18°C | 22°C |
| November | 5°C | 10°C | 15°C |
| December | 2°C | 4°C | 7°C |
Lake Freeman: Water Temperature by Location
Lake Freeman: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Lake Freeman, a reservoir in northern Indiana, shows marked seasonal variation in surface water temperature. In spring (roughly April–May) surface readings commonly range from about 45–65°F (7–18°C) as the water warms after thaw. Summer (June–August) brings the warmest conditions, with surface temperatures often around 70–82°F (21–28°C), though deeper water can remain much cooler — frequently in the 50s–60s°F (10–16°C) beneath the thermocline. In early fall (September–October) surface values tend to fall back into the 55–70°F (13–21°C) band, and winter months commonly see near-freezing conditions (around 32–40°F or 0–4°C) with ice possible during prolonged cold spells.
Swimming is generally permitted on Lake Freeman because the lake is managed and used for a variety of recreational activities, including bathing and boating. The warmest summer months provide the most comfortable conditions for open-water swimming, while spring and fall waters are noticeably brisk and winter swimming is unsafe without specialized training and equipment. Swimmers should be mindful of boat traffic, variable depths, colder deep water, and potential aquatic vegetation; lifeguards are not typically present at most shoreline areas, so practicing standard water-safety precautions and observing any local advisories is recommended.