Eagle Creek Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Eagle Creek Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Eagle Creek Reservoir 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 |
|---|---|---|---|
| JUN 3 | 17.2°C | 20.0°C | |
| JUN 4 | 18.5°C | 20.0°C | |
| JUN 5 | 19.2°C | 20.0°C | |
| JUN 6 | 19.7°C | 20.0°C | |
| JUN 7 | 20.3°C | 20.0°C | |
| JUN 8 | 21.0°C | 20.0°C | |
| JUN 10 | 21.2°C | 20.0°C | |
| JUN 11 | 20.0°C | 21.1°C | |
| JUN 12 | 20.0°C | 21.1°C | |
| JUN 13 | 20.0°C | 21.0°C | |
| JUN 14 | 20.0°C | 21.0°C | |
| JUN 15 | 20.0°C | 20.9°C | |
| JUN 16 | 20.0°C | 20.8°C | |
| JUN 17 | 20.0°C | 20.8°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 | 4°C | 8°C |
| February | 0°C | 4°C | 7°C |
| March | 1°C | 6°C | 11°C |
| April | 7°C | 12°C | 17°C |
| May | 13°C | 16°C | 20°C |
| June | 14°C | 20°C | 26°C |
| July | 18°C | 24°C | 30°C |
| August | 21°C | 25°C | 28°C |
| September | 19°C | 24°C | 29°C |
| October | 15°C | 17°C | 20°C |
| November | 7°C | 12°C | 16°C |
| December | 3°C | 6°C | 8°C |
Eagle Creek Reservoir: Water Temperature by Location
Eagle Creek Reservoir: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Eagle Creek Reservoir, the large impoundment within Eagle Creek Park near Indianapolis, follows the seasonal temperature patterns typical of Midwestern lakes. In summer the surface often warms into the mid-70s to low-80s °F (about 24–28 °C) on warm, sunny days, though deeper water stays notably cooler. Spring sees a wide swing as the lake moves from near-freezing runoff and cool nights into the 50s–60s °F (10–16 °C) during daytime warming. Autumn brings gradual cooling back into the 50s–60s °F (10–16 °C) before ice formation; in winter surface temperatures approach freezing around 32 °F (0 °C) and may form ice depending on weather, with subsurface water remaining a few degrees above freezing.
Swimming in Eagle Creek Reservoir is not permitted under park rules, so it is not a sanctioned swim beach. Restrictions are in place partly because of boating and sailing traffic, variable water quality and safety conditions, and the absence of lifeguard supervision; portions of the reservoir are also managed for fishing and as recreational water access rather than designated bathing areas. Those seeking water-based recreation at Eagle Creek Park typically use designated boating launches, fishing spots, or other nearby facilities that provide supervised swimming or safer shore access.