Tenmile Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Tenmile Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Tenmile Lake today is 20.2°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 23 | 18.4°C | 17.6°C | |
| JUN 24 | 18.5°C | 17.6°C | |
| JUN 25 | 18.5°C | 17.6°C | |
| JUN 26 | 18.5°C | 17.6°C | |
| JUN 27 | 18.7°C | 17.6°C | |
| JUN 28 | 18.8°C | 17.6°C | |
| JUN 29 | 18.8°C | 17.6°C | |
| JUN 30 | 18.8°C | 17.6°C | |
| JUL 1 | 19.4°C | 20.2°C | |
| JUL 2 | 19.4°C | 20.1°C | |
| JUL 3 | 19.4°C | 20.1°C | |
| JUL 4 | 19.4°C | 20.0°C | |
| JUL 5 | 19.4°C | 20.0°C | |
| JUL 6 | 19.4°C | 20.0°C | |
| JUL 7 | 19.4°C | 19.9°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 | 3°C | 8°C | 12°C |
| February | 3°C | 9°C | 15°C |
| March | 1°C | 9°C | 17°C |
| April | 2°C | 11°C | 20°C |
| May | 3°C | 12°C | 21°C |
| June | 13°C | 18°C | 22°C |
| July | 17°C | 19°C | 22°C |
| August | 21°C | 25°C | 28°C |
| September | 16°C | 19°C | 22°C |
| October | 5°C | 12°C | 18°C |
| November | 4°C | 8°C | 11°C |
| December | 5°C | 8°C | 11°C |
Tenmile Lake: Water Temperature by Location
Tenmile Lake: Weather Forecast
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Location & Local Information
Ten Mile Lake in Minnesota typically follows the seasonal temperature patterns common to midwestern glacial lakes. In spring (April–May) surface temperatures often rise from roughly the low 40s to the upper 50s °F (about 5–15 °C) as ice melts and the water mixes. By early summer (June) the surface usually reaches the 60s °F (about 16–20 °C), and peak summer (July–August) surface temperatures commonly range from the low 70s to mid- to upper 70s °F (around 21–26 °C), though shallow bays can be warmer and deeper basins cooler. In fall the water cools back into the 40s–50s °F (5–15 °C) and lakes often sit near freezing (32 °F / 0 °C) under ice in winter.
Swimming is generally allowed where public access, beaches or private docks provide entry, and many people find late June through August most comfortable because of warmer surface temperatures. Water clarity and depth affect how warm any given spot feels, and swimmers should heed local beach advisories or posted warnings for bacteria or algal blooms when they occur. Winter swimming is restricted by ice conditions and is unsafe without proper equipment and experience; organized ice swimming is a specialized activity rather than a regular recreational option.