Sugar Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sugar Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sugar Lake today is 21.5°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 | 20.8°C | 21.5°C | |
| JUN 24 | 20.7°C | 21.5°C | |
| JUN 25 | 20.7°C | 21.5°C | |
| JUN 26 | 20.8°C | 21.5°C | |
| JUN 27 | 20.9°C | 21.5°C | |
| JUN 28 | 20.9°C | 21.5°C | |
| JUN 29 | 21.0°C | 21.5°C | |
| JUN 30 | 21.0°C | 21.5°C | |
| JUL 1 | 24.0°C | 21.6°C | |
| JUL 2 | 24.0°C | 21.8°C | |
| JUL 3 | 24.0°C | 21.9°C | |
| JUL 4 | 24.0°C | 22.0°C | |
| JUL 5 | 24.0°C | 22.1°C | |
| JUL 6 | 24.0°C | 22.3°C | |
| JUL 7 | 24.0°C | 22.4°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 | 1°C | 4°C |
| February | 0°C | 2°C | 4°C |
| March | 0°C | 2°C | 5°C |
| April | 2°C | 7°C | 12°C |
| May | 9°C | 15°C | 22°C |
| June | 16°C | 22°C | 27°C |
| July | 21°C | 24°C | 27°C |
| August | 21°C | 25°C | 28°C |
| September | 18°C | 21°C | 23°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 7°C | 11°C |
| December | 1°C | 3°C | 6°C |
Sugar Lake: Water Temperature by Location
Sugar Lake: Weather Forecast
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July 4
July 5
July 6
Location & Local Information
Sugar Lake in Minnesota typically follows the seasonal pattern of many northern lakes, with cold, near-freezing conditions in late winter and much warmer surface temperatures in summer. In early spring the water often ranges from about 35–55°F (2–13°C) as ice melts and warming begins. By late spring and early summer surface temperatures commonly climb to roughly 60–70°F (16–21°C), and midsummer surface readings often sit between 68–75°F (20–24°C), occasionally reaching the upper 70s or near 80°F (about 26–27°C) in shallow, sheltered bays on hot days. In autumn the surface cools back through the 50s to low 40s °F (10–5°C), and when the lake is ice-covered in winter the water just under the ice is close to 32–39°F (0–4°C). Deeper water remains colder year-round and can be significantly cooler than surface temperatures during stratified months.
Swimming is generally allowed at Sugar Lake during ice-free months where public access, beaches or private shorelines permit it, because the lake provides suitable open water for recreation. Local rules, water-quality advisories, safety concerns such as boat traffic, and the absence of lifeguards may restrict or discourage swimming at times, and winter or thin-ice conditions make swimming hazardous. It’s advisable to check current local advisories before entering the water.