Lake Minnewaska — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Minnewaska, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Minnewaska today is 20°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 3 | 19.5°C | 17.5°C | |
| JUN 4 | 19.5°C | 17.5°C | |
| JUN 5 | 19.5°C | 17.5°C | |
| JUN 6 | 19.6°C | 17.5°C | |
| JUN 7 | 19.9°C | 17.5°C | |
| JUN 8 | 19.9°C | 17.5°C | |
| JUN 10 | 20.0°C | 17.5°C | |
| JUN 11 | 17.5°C | 19.9°C | |
| JUN 12 | 17.5°C | 19.8°C | |
| JUN 13 | 17.5°C | 19.6°C | |
| JUN 14 | 17.5°C | 19.5°C | |
| JUN 15 | 17.5°C | 19.4°C | |
| JUN 16 | 17.5°C | 19.3°C | |
| JUN 17 | 17.5°C | 19.1°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 | 2°C | 7°C | 12°C |
| February | 1°C | 8°C | 15°C |
| March | 0°C | 9°C | 17°C |
| April | 2°C | 11°C | 20°C |
| May | 6°C | 15°C | 23°C |
| June | 13°C | 18°C | 22°C |
| July | 17°C | 20°C | 23°C |
| August | 21°C | 25°C | 28°C |
| September | 17°C | 20°C | 22°C |
| October | 5°C | 12°C | 19°C |
| November | 3°C | 8°C | 11°C |
| December | 1°C | 5°C | 8°C |
Lake Minnewaska: Water Temperature by Location
Lake Minnewaska: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Lake Minnewaska’s surface water temperatures follow a familiar northern-Minnesota rhythm. In winter the lake typically freezes and surface water stays at or just above the freezing point, around 32°F (0°C), while deeper water can remain near 39°F (4°C) because of water’s density characteristics. Spring sees a rapid warming from roughly 35–55°F (2–13°C) as ice melts and days lengthen. Summer surface temperatures commonly range from about 68–78°F (20–26°C) on typical years and can reach the low 80s°F (27–29°C) during heat spells; temperatures fall again in autumn to roughly 45–60°F (7–16°C) before ice forms.
Swimming at Lake Minnewaska is generally allowed in designated beaches and public access spots during the ice-free season, subject to local rules and water-quality advisories. Authorities or beach operators may post advisories or close areas after heavy rains, algal blooms, or when conditions create safety concerns; lifeguards, where present, are seasonal. Cold spring and late-autumn waters can pose hypothermia or cold-shock risks even if the surface is open, so swimmers should heed posted guidance and use common-sense precautions about temperature, weather and water quality before entering.