Carlyle Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Carlyle Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Carlyle Lake today is 22.8°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 13 | 23.9°C | 24.6°C | |
| SEP 14 | 23.7°C | 24.6°C | |
| SEP 15 | 23.1°C | 24.6°C | |
| SEP 16 | 22.9°C | 24.6°C | |
| SEP 17 | 23.3°C | 24.6°C | |
| SEP 18 | 22.6°C | 24.6°C | |
| SEP 19 | 22.9°C | 24.6°C | |
| SEP 20 | 22.6°C | 24.6°C | |
| SEP 21 | 24.6°C | 22.9°C | |
| SEP 22 | 24.6°C | 23.0°C | |
| SEP 23 | 24.6°C | 23.1°C | |
| SEP 24 | 24.6°C | 23.2°C | |
| SEP 25 | 24.6°C | 23.3°C | |
| SEP 26 | 24.6°C | 23.3°C | |
| SEP 27 | 24.6°C | 23.4°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 | 3°C | 6°C |
| February | 1°C | 4°C | 6°C |
| March | 2°C | 8°C | 14°C |
| April | 6°C | 13°C | 20°C |
| May | 14°C | 18°C | 22°C |
| June | 20°C | 23°C | 27°C |
| July | 24°C | 28°C | 31°C |
| August | 22°C | 25°C | 29°C |
| September | 22°C | 25°C | 28°C |
| October | 14°C | 19°C | 24°C |
| November | 7°C | 11°C | 14°C |
| December | 2°C | 5°C | 7°C |
Carlyle Lake: Water Temperature by Location
Carlyle Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Carlyle Lake’s water temperature changes a lot through the year because it’s a large Midwestern reservoir with varying depths and broad shallows. In spring the surface often runs about 45–60°F (7–16°C) as runoff and cool air dominate. By summer surface temperatures commonly reach the low to upper 70s°F, roughly 70–80°F (21–27°C), and in shallow coves can briefly climb into the low 80s°F (27–28°C) on hot, calm days. Autumn brings a steady cooling, with surface readings typically falling to about 50–65°F (10–18°C). In winter the lake is cold, frequently near freezing at 32–40°F (0–4°C) and portions can ice over during prolonged cold snaps. Deeper water remains colder year-round, and local conditions such as wind, recent precipitation, and boat traffic cause short-term fluctuations.
Swimming is permitted but treated with caution: there are designated swimming beaches and recreation areas managed by the lake authorities, yet many shoreline stretches are not staffed or supervised. Authorities generally allow bathing in specified zones but discourage open-water swimming in busy boating areas because of wake, submerged hazards, and variable water quality. Lifeguards are not always present, so swimmers should follow posted rules, be mindful of seasonal cold-water risks (hypothermia in spring and fall), and choose marked swim areas for safer conditions.