Potato Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Potato Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Potato Lake today is 26.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. 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 |
|---|---|---|---|
| JUL 14 | 21.4°C | 21.7°C | |
| JUL 15 | 24.1°C | 21.7°C | |
| JUL 16 | 24.3°C | 21.7°C | |
| JUL 17 | 24.8°C | 21.7°C | |
| JUL 18 | 25.3°C | 21.7°C | |
| JUL 19 | 25.2°C | 21.7°C | |
| JUL 20 | 25.2°C | 21.7°C | |
| JUL 21 | 25.4°C | 21.7°C | |
| JUL 22 | 21.7°C | 26.1°C | |
| JUL 23 | 21.7°C | 25.8°C | |
| JUL 24 | 21.7°C | 25.6°C | |
| JUL 25 | 21.7°C | 25.4°C | |
| JUL 26 | 21.7°C | 25.2°C | |
| JUL 27 | 21.7°C | 24.9°C | |
| JUL 28 | 21.7°C | 24.7°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 | 6°C | 12°C |
| February | 2°C | 9°C | 15°C |
| March | 0°C | 9°C | 17°C |
| April | 1°C | 11°C | 20°C |
| May | 3°C | 12°C | 21°C |
| June | 13°C | 18°C | 22°C |
| July | 17°C | 22°C | 27°C |
| August | 21°C | 25°C | 28°C |
| September | 16°C | 19°C | 22°C |
| October | 5°C | 12°C | 18°C |
| November | 1°C | 7°C | 11°C |
| December | 1°C | 4°C | 6°C |
Potato Lake: Water Temperature by Location
Potato Lake: Weather Forecast
July 22
July 23
July 24
July 25
July 26
July 27
Location & Local Information
Potato Lake in Minnesota experiences the same seasonal swings common to inland lakes in the region. In spring the water typically runs cool as the lake mixes and warms, often about 40–60°F (4–15°C). Midsummer brings the warmest surface temperatures, generally in the range of 68–78°F (20–26°C) on warm sunny days, though shallower bays can be warmer and deeper water remains cooler. In autumn surface temperatures fall back toward roughly 45–65°F (7–18°C) as the lake cools and stratification breaks down. During winter the lake usually freezes; surface ice is at or below about 32°F (0°C) and water beneath the ice stays near freezing, roughly 32–39°F (0–4°C).
Swimming on Potato Lake is typically possible and common during the warmer months where public access or private shorelines provide safe entry. Local rules, posted advisories and water‑quality notices should be checked before entering; blooms of blue‑green algae, boat traffic, low visibility and cold-water shock can limit safe swimming even in summer. Ice cover in winter generally makes open‑water swimming unsafe except for organized, well‑prepared events, because hypothermia and unstable ice present serious hazards.