Devils Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Devils Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Devils Lake today is 22°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 6 | 22.0°C | 20.5°C | |
| JUN 7 | 22.4°C | 20.5°C | |
| JUN 8 | 21.4°C | 20.5°C | |
| JUN 10 | 21.7°C | 20.5°C | |
| JUN 11 | 21.8°C | 20.5°C | |
| JUN 12 | 21.8°C | 20.5°C | |
| JUN 13 | 22.0°C | 20.5°C | |
| JUN 14 | 20.5°C | 21.9°C | |
| JUN 15 | 20.5°C | 21.9°C | |
| JUN 16 | 20.5°C | 21.8°C | |
| JUN 17 | 20.5°C | 21.7°C | |
| JUN 18 | 20.5°C | 21.6°C | |
| JUN 19 | 20.5°C | 21.6°C | |
| JUN 20 | 20.5°C | 21.5°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 | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 4°C | 9°C |
| April | 3°C | 10°C | 17°C |
| May | 10°C | 14°C | 19°C |
| June | 16°C | 21°C | 24°C |
| July | 19°C | 23°C | 27°C |
| August | 22°C | 25°C | 28°C |
| September | 19°C | 23°C | 27°C |
| October | 11°C | 16°C | 21°C |
| November | 3°C | 7°C | 11°C |
| December | 0°C | 3°C | 7°C |
Devils Lake: Water Temperature by Location
Devils Lake: Weather Forecast
June 14
June 15
June 16
June 17
Location & Local Information
Devils Lake in Michigan follows the typical seasonal pattern of inland northern lakes, with surface temperatures that vary markedly through the year. In winter the lake commonly reaches freezing at the surface, around 32–40°F (0–4°C) where ice forms; the deepest waters stay a bit warmer near 39–40°F (4–4.5°C). Spring brings a steady rise, roughly 40–60°F (4–15°C) as ice melts and the water mixes. In summer the shallow bays and sunlit areas can warm to about 65–80°F (18–27°C), while deeper pockets often remain cooler in the mid-50s to low 60s°F (12–17°C). By fall the surface begins to cool again, typically settling in the 50–60°F (10–16°C) range before regular ice-up.
Swimming is generally possible at Devils Lake where public access or private permission exists and no health advisories are in effect; summer months offer the most comfortable conditions. Caution is important because colder or deeper water can cause shock or rapid heat loss, and early- or late-season swims are riskier due to low temperatures. Local water-quality issues such as cyanobacterial blooms, high bacterial counts after heavy rains, or safety-based closures can temporarily restrict swimming, so checking current advisories and respecting posted signs and property boundaries is advisable.