Borden Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Borden Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Borden Lake today is 18.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 | 21.0°C | |
| JUN 24 | 18.4°C | 21.0°C | |
| JUN 25 | 18.4°C | 21.0°C | |
| JUN 26 | 18.4°C | 21.0°C | |
| JUN 27 | 18.6°C | 21.0°C | |
| JUN 28 | 18.7°C | 21.0°C | |
| JUN 29 | 18.7°C | 21.0°C | |
| JUN 30 | 18.7°C | 21.0°C | |
| JUL 1 | 24.0°C | 19.2°C | |
| JUL 2 | 24.0°C | 19.4°C | |
| JUL 3 | 24.0°C | 19.7°C | |
| JUL 4 | 24.0°C | 19.9°C | |
| JUL 5 | 24.0°C | 20.2°C | |
| JUL 6 | 24.0°C | 20.4°C | |
| JUL 7 | 24.0°C | 20.7°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 | 4°C |
| April | 1°C | 6°C | 10°C |
| May | 8°C | 14°C | 21°C |
| June | 15°C | 21°C | 27°C |
| July | 21°C | 24°C | 27°C |
| August | 21°C | 25°C | 28°C |
| September | 17°C | 20°C | 23°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 7°C | 11°C |
| December | 1°C | 3°C | 6°C |
Borden Lake: Water Temperature by Location
Borden Lake: Weather Forecast
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Location & Local Information
Borden Lake’s water temperatures generally follow the seasonal pattern seen in small lakes across Minnesota. In summer, surface temperatures commonly warm to roughly 65–80°F (18–27°C), with shallower bays and calm afternoons pushing toward the higher end. During late spring and early summer, and again in early fall, the lake is often in the 50–65°F (10–18°C) range as it stratifies and then mixes. In the shoulder seasons, spring and fall, temperatures will commonly sit between about 40–60°F (4–15°C) depending on recent weather. In winter the surface freezes at about 32°F (0°C) and under ice the water column stabilizes near 34–39°F (1–4°C), with the coldest conditions occurring at the shoreline and in shallow areas.
Swimming at Borden Lake is feasible during the ice‑free months and is commonly practiced from late spring through early fall, when surface temperatures are warm enough for comfortable recreational swimming. Local access points and any designated beaches determine where people enter the water; winter swimming is not typical except for organized ice‑swimming with proper safety measures. Regardless of season, water quality advisories, shoreline conditions, water temperature, and the risk of cold shock or hypothermia should guide decisions about swimming, and caution is advised when temperatures are below comfortable ranges.