Lake Pocasse — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Pocasse, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Pocasse today is 20.9°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 | 19.3°C | 19.0°C | |
| JUN 24 | 19.3°C | 19.0°C | |
| JUN 25 | 19.5°C | 19.0°C | |
| JUN 26 | 19.5°C | 19.0°C | |
| JUN 27 | 20.4°C | 19.0°C | |
| JUN 28 | 20.4°C | 19.0°C | |
| JUN 29 | 20.3°C | 19.0°C | |
| JUN 30 | 20.5°C | 19.0°C | |
| JUL 1 | 20.5°C | 20.9°C | |
| JUL 2 | 20.5°C | 20.9°C | |
| JUL 3 | 20.5°C | 20.8°C | |
| JUL 4 | 20.5°C | 20.8°C | |
| JUL 5 | 20.5°C | 20.8°C | |
| JUL 6 | 20.5°C | 20.8°C | |
| JUL 7 | 20.5°C | 20.8°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 | 1°C | 7°C | 12°C |
| February | 1°C | 8°C | 15°C |
| March | 1°C | 9°C | 17°C |
| April | 3°C | 12°C | 20°C |
| May | 7°C | 14°C | 21°C |
| June | 16°C | 19°C | 22°C |
| July | 17°C | 21°C | 24°C |
| August | 21°C | 25°C | 28°C |
| September | 16°C | 19°C | 22°C |
| October | 5°C | 11°C | 16°C |
| November | 4°C | 7°C | 9°C |
| December | 1°C | 5°C | 8°C |
Lake Pocasse: Water Temperature by Location
Lake Pocasse: Weather Forecast
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July 5
Location & Local Information
Lake Pocasse experiences the same seasonal swings typical of small South Dakota lakes. After ice-out in spring, surface temperatures commonly rise from about 40–60°F (4–16°C) as the water mixes and warms. By midsummer the surface often reaches roughly 65–80°F (18–27°C) on warm days, with the warmest readings usually in July and August; beneath the surface and in deeper pockets the water remains cooler. In early fall temperatures generally fall back into the 50–65°F (10–18°C) range as cooling and turnover set in, and in winter the lake freezes or approaches near-freezing conditions around 32°F (0°C), ending open-water swimming for the season.
Swimming at Lake Pocasse is typically permitted during the ice-free months because there are no inherent legal prohibitions on recreational use of many small public lakes, but actual access and rules depend on local management and posted signage. Water quality, presence or absence of lifeguards, aquatic vegetation, and temperature are the main factors affecting safety: water under about 60°F (15°C) can feel uncomfortably cold and increases risk of cold-water shock and hypothermia, while warmer summer surface temperatures are more comfortable for bathing. Always check current advisories or rules at the shoreline and exercise judgment about conditions before entering the water.