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 15.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 | 17.5°C | 16.0°C | |
| OCT 6 | 17.1°C | 16.0°C | |
| OCT 7 | 17.2°C | 16.0°C | |
| OCT 8 | 16.3°C | 16.0°C | |
| OCT 9 | 16.5°C | 16.0°C | |
| OCT 10 | 16.2°C | 16.0°C | |
| OCT 11 | 15.5°C | 16.0°C | |
| OCT 12 | 15.9°C | 16.0°C | |
| OCT 13 | 16.0°C | 15.2°C | |
| OCT 14 | 16.0°C | 15.3°C | |
| OCT 15 | 16.0°C | 15.3°C | |
| OCT 16 | 16.0°C | 15.4°C | |
| OCT 17 | 16.0°C | 15.4°C | |
| OCT 18 | 16.0°C | 15.4°C | |
| OCT 19 | 16.0°C | 15.5°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 | 20°C | 25°C |
| July | 19°C | 23°C | 28°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
October 13
October 14
October 15
October 16
October 17
October 18
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.