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 15.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| SEP 14 | 19.2°C | 17.6°C | |
| SEP 15 | 18.1°C | 17.6°C | |
| SEP 16 | 18.0°C | 17.6°C | |
| SEP 17 | 17.0°C | 17.6°C | |
| SEP 18 | 17.2°C | 17.6°C | |
| SEP 19 | 16.9°C | 17.6°C | |
| SEP 20 | 16.4°C | 17.6°C | |
| SEP 21 | 15.9°C | 17.6°C | |
| SEP 22 | 17.6°C | 16.0°C | |
| SEP 23 | 17.6°C | 16.1°C | |
| SEP 24 | 17.6°C | 16.2°C | |
| SEP 25 | 17.6°C | 16.2°C | |
| SEP 26 | 17.6°C | 16.3°C | |
| SEP 27 | 17.6°C | 16.4°C | |
| SEP 28 | 17.6°C | 16.5°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 | 18°C | 22°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 22
September 23
September 24
September 25
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.