Tanners Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Tanners Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Tanners Lake today is 20.4°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 3 | 20.4°C | 21.5°C | |
| JUN 4 | 20.4°C | 21.5°C | |
| JUN 5 | 20.3°C | 21.5°C | |
| JUN 6 | 20.4°C | 21.5°C | |
| JUN 7 | 20.5°C | 21.5°C | |
| JUN 8 | 20.1°C | 21.5°C | |
| JUN 10 | 20.4°C | 21.5°C | |
| JUN 11 | 21.5°C | 20.5°C | |
| JUN 12 | 21.5°C | 20.5°C | |
| JUN 13 | 21.5°C | 20.6°C | |
| JUN 14 | 21.5°C | 20.6°C | |
| JUN 15 | 21.5°C | 20.7°C | |
| JUN 16 | 21.5°C | 20.7°C | |
| JUN 17 | 21.5°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 | 0°C | 1°C | 4°C |
| February | 0°C | 2°C | 4°C |
| March | 0°C | 2°C | 4°C |
| April | 3°C | 9°C | 15°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 | 24°C | 28°C |
| September | 18°C | 21°C | 23°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 8°C | 12°C |
| December | 1°C | 3°C | 6°C |
Tanners Lake: Water Temperature by Location
Tanners Lake: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Tanners Lake, an urban lake in Minnesota, follows the familiar seasonal temperature pattern of many small Midwestern lakes. In winter the surface is typically at or just above freezing — about 32°F (0°C) under ice conditions — while spring brings a gradual warm-up with surface temperatures commonly in the mid‑30s to mid‑50s °F (2–13°C). By late spring and early summer the water usually rises into the 60s–70s °F (16–24°C), and during warm midsummer periods surface temperatures often reach the low to mid‑70s °F and occasionally into the upper 70s or low 80s °F (21–28°C, sometimes ~29°C in shallow, sunlit areas). As autumn arrives the lake cools again, dropping through the 50s to 40s °F (10–5°C) before freezing.
Swimming at Tanners Lake is possible during the warm months where public access exists, but conditions vary. There may be no staffed beach or lifeguard, and water quality advisories for algae blooms or bacterial levels can be issued, so local guidance should be checked before entering the water. Even when temperatures are pleasant for recreation—generally late June through August when surface readings are most often above about 70°F (21°C)—swimmers should be mindful of sudden chills in deeper water and heed posted rules, closures, or monitoring updates from local authorities.