Fall Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Fall Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Fall Lake today is 21°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 |
|---|---|---|---|
| AUG 24 | 21.3°C | 22.5°C | |
| AUG 25 | 21.3°C | 22.5°C | |
| AUG 26 | 20.7°C | 22.5°C | |
| AUG 27 | 20.6°C | 22.5°C | |
| AUG 28 | 20.9°C | 22.5°C | |
| AUG 29 | 21.0°C | 22.5°C | |
| AUG 30 | 21.0°C | 22.5°C | |
| AUG 31 | 21.0°C | 22.5°C | |
| SEP 1 | 16.1°C | 20.8°C | |
| SEP 2 | 16.1°C | 20.5°C | |
| SEP 3 | 16.1°C | 20.3°C | |
| SEP 4 | 16.1°C | 20.0°C | |
| SEP 5 | 16.1°C | 19.8°C | |
| SEP 6 | 16.1°C | 19.5°C | |
| SEP 7 | 16.1°C | 19.3°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 | 3°C |
| February | 0°C | 1°C | 3°C |
| March | 0°C | 1°C | 3°C |
| April | 1°C | 4°C | 8°C |
| May | 4°C | 10°C | 16°C |
| June | 12°C | 17°C | 21°C |
| July | 16°C | 22°C | 27°C |
| August | 15°C | 23°C | 30°C |
| September | 14°C | 16°C | 19°C |
| October | 9°C | 13°C | 17°C |
| November | 2°C | 7°C | 12°C |
| December | 0°C | 4°C | 8°C |
Fall Lake: Water Temperature by Location
Fall Lake: Weather Forecast
September 1
September 2
September 3
September 4
September 5
September 6
Location & Local Information
Fall Lake in northern Minnesota follows the familiar seasonal cycle of smaller, forested lakes in the region. Surface temperatures typically rise into the upper 60s to upper 70s °F (about 20–26 °C) in mid to late summer, with shallow bays sometimes warming a few degrees higher. In spring, as ice melts, surface temperatures often sit between roughly 40–60 °F (4–15 °C), and in early fall they decline into the 45–65 °F range (7–18 °C) as cooling begins. During winter the lake freezes and water just beneath the ice stays close to 32–39 °F (0–4 °C); deeper layers remain colder year-round and can be several degrees cooler than the surface in stratified months.
Swimming is generally possible and commonly done in the warm summer months when surface temperatures are most comfortable; public access points and private shorelines provide places to enter the water. However, swimming outside the warm season is not advisable because cold water increases the risk of hypothermia and waves or wind can make conditions hazardous. Local rules, posted signs, water quality advisories and the presence or absence of lifeguards should be checked before entering the water, and users should take standard safety precautions such as wearing life jackets where appropriate.