Healey Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Healey Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Healey Lake today is 21.1°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 |
|---|---|---|---|
| AUG 24 | 21.0°C | 24.0°C | |
| AUG 25 | 20.8°C | 24.0°C | |
| AUG 26 | 20.1°C | 24.0°C | |
| AUG 27 | 21.3°C | 24.0°C | |
| AUG 28 | 21.1°C | 24.0°C | |
| AUG 29 | 21.3°C | 24.0°C | |
| AUG 30 | 20.9°C | 24.0°C | |
| AUG 31 | 21.1°C | 24.0°C | |
| SEP 1 | 21.0°C | 21.1°C | |
| SEP 2 | 21.0°C | 21.1°C | |
| SEP 3 | 21.0°C | 21.1°C | |
| SEP 4 | 21.0°C | 21.1°C | |
| SEP 5 | 21.0°C | 21.1°C | |
| SEP 6 | 21.0°C | 21.1°C | |
| SEP 7 | 21.0°C | 21.1°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 | 3°C | 6°C |
| February | 0°C | 4°C | 7°C |
| March | 0°C | 3°C | 6°C |
| April | 0°C | 7°C | 14°C |
| May | 2°C | 12°C | 22°C |
| June | 10°C | 17°C | 24°C |
| July | 16°C | 22°C | 27°C |
| August | 19°C | 24°C | 29°C |
| September | 17°C | 21°C | 25°C |
| October | 13°C | 16°C | 18°C |
| November | 3°C | 9°C | 13°C |
| December | 1°C | 5°C | 8°C |
Healey Lake: Water Temperature by Location
Healey Lake: Weather Forecast
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September 6
Location & Local Information
Healey Lake, located in the Muskoka region of Ontario, is a popular, natural lake whose water temperatures are typical of cottage country, with comfortable summer warmth. In the cold winter months, the entire lake freezes over, with water temperatures near the freezing point, generally ranging from 0∘C to 5∘C (32∘F to 41∘F). In the peak summer season, the surface water warms considerably, reaching a pleasant range, typically between 20∘C and 25∘C (68∘F to 77∘F), making it ideal for water activities.
Swimming is widely permitted and encouraged throughout Healey Lake, as it is a major hub for water sports and recreation, confirming its status as a highly sought-after summer destination. Cottage owners and visitors frequently engage in swimming and water-based fun near their properties. However, as is common with many recreational lakes in the area, there are generally no designated, supervised public beaches with lifeguards. Therefore, all swimming is undertaken strictly at one's own risk, with swimmers advised to be cautious of boat traffic, especially near channels and marinas, and to be mindful of the natural drop-offs typical of Ontario lakes.