Lake Jane — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Jane, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Jane today is 18.6°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 |
|---|---|---|---|
| SEP 14 | 22.4°C | 22.0°C | |
| SEP 15 | 22.0°C | 22.0°C | |
| SEP 16 | 20.7°C | 22.0°C | |
| SEP 17 | 18.8°C | 22.0°C | |
| SEP 18 | 18.9°C | 22.0°C | |
| SEP 19 | 19.1°C | 22.0°C | |
| SEP 20 | 19.5°C | 22.0°C | |
| SEP 21 | 18.6°C | 22.0°C | |
| SEP 22 | 22.0°C | 18.8°C | |
| SEP 23 | 22.0°C | 18.9°C | |
| SEP 24 | 22.0°C | 19.1°C | |
| SEP 25 | 22.0°C | 19.3°C | |
| SEP 26 | 22.0°C | 19.5°C | |
| SEP 27 | 22.0°C | 19.6°C | |
| SEP 28 | 22.0°C | 19.8°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 | 3°C | 5°C |
| April | 4°C | 9°C | 14°C |
| May | 10°C | 16°C | 22°C |
| June | 16°C | 22°C | 27°C |
| July | 22°C | 24°C | 27°C |
| August | 20°C | 25°C | 31°C |
| September | 18°C | 22°C | 26°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 8°C | 12°C |
| December | 1°C | 3°C | 6°C |
Lake Jane: Water Temperature by Location
Lake Jane: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Lake Jane in Minnesota experiences the seasonal temperature swings typical of inland lakes in the region. During winter months when the lake freezes over, surface ice sits at 32°F (0°C) while water just beneath the ice commonly remains near the temperature of maximum density—about 39°F (4°C). Spring after ice‑out brings a rapid rise, with surface temperatures often ranging from roughly 40–55°F (4–13°C). Summer is the warmest period, with surface waters typically between about 65–80°F (18–27°C), though shallower bays can warm higher on hot, calm days. In fall the lake cools again, with surface readings commonly falling into the 45–60°F (7–16°C) range as the season progresses.
Swimming is generally allowed during the ice‑free months because summer and much of late spring and early fall produce water temperatures comfortable for recreational bathing, and many public and private access points in the area support swimming. However, whether swimming is permitted at a specific shoreline can depend on local regulations, posted advisories, and water‑quality monitoring; spring and late‑fall conditions pose a higher risk of cold‑water shock and hypothermia, and winter ice cover makes casual swimming unsafe except for organized, well‑prepared ice‑swimming activities. Visitors should check current local guidance, water quality reports, and take usual safety precautions before entering the water.