Little Chapman Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Little Chapman Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Little Chapman Lake today is 16.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 5 | 18.9°C | 18.3°C | |
| OCT 6 | 18.8°C | 18.3°C | |
| OCT 7 | 18.1°C | 18.3°C | |
| OCT 8 | 17.9°C | 18.3°C | |
| OCT 9 | 18.1°C | 18.3°C | |
| OCT 10 | 18.3°C | 18.3°C | |
| OCT 11 | 17.5°C | 18.3°C | |
| OCT 12 | 17.6°C | 18.3°C | |
| OCT 13 | 18.3°C | 17.0°C | |
| OCT 14 | 18.3°C | 17.0°C | |
| OCT 15 | 18.3°C | 17.1°C | |
| OCT 16 | 18.3°C | 17.2°C | |
| OCT 17 | 18.3°C | 17.3°C | |
| OCT 18 | 18.3°C | 17.3°C | |
| OCT 19 | 18.3°C | 17.4°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 | 1°C | 11°C | 21°C |
| February | 1°C | 12°C | 22°C |
| March | 2°C | 13°C | 23°C |
| April | 7°C | 16°C | 24°C |
| May | 11°C | 18°C | 25°C |
| June | 18°C | 22°C | 26°C |
| July | 22°C | 27°C | 32°C |
| August | 24°C | 27°C | 30°C |
| September | 21°C | 24°C | 27°C |
| October | 16°C | 18°C | 21°C |
| November | 6°C | 13°C | 20°C |
| December | 2°C | 7°C | 12°C |
Little Chapman Lake: Water Temperature by Location
Little Chapman Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
October 18
Location & Local Information
Little Chapman Lake in Indiana typically follows the seasonal pattern of small inland Midwestern lakes, with surface water temperatures that rise and fall through the year. In winter the lake can approach freezing, often ranging from about 32–40°F (0–4°C) under ice or near-ice conditions. Spring sees a steady warm-up, roughly 40–60°F (4–15°C) as the water mixes and the surface warms. Summer surface temperatures commonly reach the warmest values, often around 70–80°F (21–27°C) on sunny days, although deeper zones may remain cooler. In autumn the surface cools again, generally falling to about 50–65°F (10–18°C) before the onset of winter stratification and ice.
Swimming is possible at Little Chapman Lake where public or private access and local ordinances permit, but it depends on water quality, signage and safety considerations. Warmer summer temperatures usually make swimming comfortable, yet summer can also bring higher algal activity or aquatic vegetation that may restrict desirable swim areas. Early- and late-season water can be dangerously cold, posing a risk of cold-water shock below about 60°F (15°C). Visitors should confirm current water-quality advisories, respect posted rules about swimming access, and take standard precautions such as supervising children and avoiding areas with heavy vegetation or unsafe boat traffic.