Milton — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Milton, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Milton today is 13.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 | 16.0°C | 12.0°C | |
| OCT 6 | 16.1°C | 12.0°C | |
| OCT 7 | 15.5°C | 12.0°C | |
| OCT 8 | 15.0°C | 12.0°C | |
| OCT 9 | 15.3°C | 12.0°C | |
| OCT 10 | 14.5°C | 12.0°C | |
| OCT 11 | 14.8°C | 12.0°C | |
| OCT 12 | 14.1°C | 12.0°C | |
| OCT 13 | 12.0°C | 13.4°C | |
| OCT 14 | 12.0°C | 13.4°C | |
| OCT 15 | 12.0°C | 13.3°C | |
| OCT 16 | 12.0°C | 13.2°C | |
| OCT 17 | 12.0°C | 13.1°C | |
| OCT 18 | 12.0°C | 13.1°C | |
| OCT 19 | 12.0°C | 13.0°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 | 4°C |
| February | 0°C | 3°C | 4°C |
| March | 0°C | 3°C | 5°C |
| April | 0°C | 5°C | 11°C |
| May | 4°C | 10°C | 17°C |
| June | 7°C | 14°C | 21°C |
| July | 15°C | 20°C | 26°C |
| August | 17°C | 21°C | 25°C |
| September | 11°C | 17°C | 23°C |
| October | 7°C | 12°C | 16°C |
| November | 3°C | 6°C | 11°C |
| December | 0°C | 3°C | 6°C |
Milton: Weather Forecast
October 13
October 14
October 15
October 16
October 17
Location & Local Information
Milton, Ontario, is not situated on a Great Lake, but rather features several inland water bodies, most notably the reservoir at Kelso Conservation Area and Sixteen Mile Creek. These freshwater sources experience a significant temperature range. In the cold winter months, all local water bodies are either frozen or near freezing, typically ranging from 0∘C to 5∘C (32∘F to 41∘F). During the peak summer season, particularly in the shallower Kelso Reservoir, surface water warms considerably, generally reaching a comfortable range of 20∘C to 24∘C (68∘F to 75∘F).
Swimming is specifically encouraged at Kelso Conservation Area Beach, which is managed by Conservation Halton. This designated beach on the reservoir is supervised by lifeguards during the summer season, confirming its status as a safe and controlled swimming environment. Conversely, swimming in the fast-flowing Sixteen Mile Creek is not permitted or is strongly discouraged due to safety concerns like strong currents and potential urban runoff. As with any supervised beach, the Kelso reservoir is monitored for E. coli bacteria, and visitors must adhere to any temporary water quality advisories posted by Halton Region Public Health.