Peltier Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Peltier Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Peltier Lake today is 12.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 |
|---|---|---|---|
| OCT 5 | 14.4°C | 12.5°C | |
| OCT 6 | 14.4°C | 12.5°C | |
| OCT 7 | 12.8°C | 12.5°C | |
| OCT 8 | 14.1°C | 12.5°C | |
| OCT 9 | 13.7°C | 12.5°C | |
| OCT 10 | 13.0°C | 12.5°C | |
| OCT 11 | 12.1°C | 12.5°C | |
| OCT 12 | 11.6°C | 12.5°C | |
| OCT 13 | 12.5°C | 12.3°C | |
| OCT 14 | 12.5°C | 12.3°C | |
| OCT 15 | 12.5°C | 12.3°C | |
| OCT 16 | 12.5°C | 12.3°C | |
| OCT 17 | 12.5°C | 12.4°C | |
| OCT 18 | 12.5°C | 12.4°C | |
| OCT 19 | 12.5°C | 12.4°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 | 4°C |
| April | 2°C | 8°C | 14°C |
| May | 9°C | 15°C | 21°C |
| June | 16°C | 22°C | 27°C |
| July | 21°C | 24°C | 27°C |
| August | 20°C | 24°C | 28°C |
| September | 18°C | 21°C | 25°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 8°C | 12°C |
| December | 1°C | 3°C | 6°C |
Peltier Lake: Water Temperature by Location
Peltier Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
October 18
Location & Local Information
Peltier Lake in Minnesota follows the seasonal patterns typical of small inland lakes in the region. After ice-out in spring the surface waters remain cool, commonly in the range of about 40–55°F (4–13°C). In summer the shallow, sun‑warmed surface often reaches roughly 68–78°F (20–26°C), although exact temperatures depend on depth, shading, and recent weather; deeper sections will stay noticeably cooler. During fall the lake gradually cools to roughly 50–60°F (10–16°C) before refreezing, and in winter the water beneath the ice is close to near‑freezing conditions, often around 32–39°F (0–4°C) depending on ice thickness and lake stratification.
Swimming at Peltier Lake is generally possible during the warmer months when surface temperatures are comfortable, but whether it is advisable or allowed depends on local access points, posted signage, and current water‑quality advisories. Warm summer surface temperatures are suitable for casual swimming, while cooler shoulder‑season waters can pose a risk of cold shock or hypothermia with prolonged exposure. Winter swimming is not recommended except in organized, supervised events, because ice safety and low water temperatures create significant hazards. Always check local rules, life‑safety provisions, and recent water‑quality reports before entering the lake.