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 19.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 | 12.9°C | 17.0°C | |
| JUN 4 | 12.9°C | 17.0°C | |
| JUN 5 | 13.7°C | 17.0°C | |
| JUN 6 | 15.1°C | 17.0°C | |
| JUN 7 | 19.5°C | 17.0°C | |
| JUN 8 | 19.6°C | 17.0°C | |
| JUN 10 | 19.4°C | 17.0°C | |
| JUN 11 | 17.0°C | 19.3°C | |
| JUN 12 | 17.0°C | 19.2°C | |
| JUN 13 | 17.0°C | 19.0°C | |
| JUN 14 | 17.0°C | 18.9°C | |
| JUN 15 | 17.0°C | 18.8°C | |
| JUN 16 | 17.0°C | 18.7°C | |
| JUN 17 | 17.0°C | 18.6°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 | 19°C | 23°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
June 9
June 10
June 11
June 12
June 13
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.