Dead Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Dead Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Dead Lake today is 20.3°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 | 17.8°C | 18.6°C | |
| JUN 24 | 17.9°C | 18.6°C | |
| JUN 25 | 18.0°C | 18.6°C | |
| JUN 26 | 18.0°C | 18.6°C | |
| JUN 27 | 17.7°C | 18.6°C | |
| JUN 28 | 17.7°C | 18.6°C | |
| JUN 29 | 19.7°C | 18.6°C | |
| JUN 30 | 19.7°C | 18.6°C | |
| JUL 1 | 19.4°C | 20.3°C | |
| JUL 2 | 19.4°C | 20.2°C | |
| JUL 3 | 19.4°C | 20.2°C | |
| JUL 4 | 19.4°C | 20.1°C | |
| JUL 5 | 19.4°C | 20.1°C | |
| JUL 6 | 19.4°C | 20.0°C | |
| JUL 7 | 19.4°C | 20.0°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 | 2°C | 7°C | 12°C |
| February | 2°C | 9°C | 15°C |
| March | 1°C | 9°C | 17°C |
| April | 2°C | 11°C | 20°C |
| May | 6°C | 14°C | 21°C |
| June | 15°C | 19°C | 23°C |
| July | 17°C | 19°C | 22°C |
| August | 21°C | 25°C | 28°C |
| September | 17°C | 20°C | 22°C |
| October | 5°C | 12°C | 18°C |
| November | 4°C | 8°C | 11°C |
| December | 2°C | 7°C | 11°C |
Dead Lake: Water Temperature by Location
Dead Lake: Weather Forecast
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July 6
Location & Local Information
Dead Lake in Minnesota, like many small lakes in the state, experiences strong seasonal swings in water temperature. In winter the surface typically freezes and temperatures near the ice are around 32°F (0°C), while deeper water remains somewhat warmer. As spring warms, surface temperatures climb into roughly the mid-30s to low 60s °F (about 2–16°C) depending on sun and wind. During summer the surface often reaches comfortable swimming levels, commonly in the mid-60s to upper 70s °F (about 18–26°C) on warm afternoons, though shallower bays can warm more and deeper zones stay cooler. In autumn the lake cools again, with surface readings frequently falling into the 40s–60s °F (roughly 4–16°C) as turnover begins.
Swimming is generally possible during the open-water season when the lake is ice-free, but whether people should swim depends on local conditions and posted rules. Many Minnesota lakes allow recreational swimming at public access points or designated beaches, but water quality (including algal blooms), temperature, underwater hazards, boat traffic, and signage can limit safe swimming. Early- and late-season water can feel very cold and increase risk of cold-water shock or hypothermia, and frozen conditions make swimming unsafe except for organized ice activities with proper precautions. Always check local advisories and exercise standard water-safety practices.