Maple Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Maple Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Maple 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 |
|---|---|---|---|
| SEP 14 | 20.5°C | 20.9°C | |
| SEP 15 | 20.5°C | 20.9°C | |
| SEP 16 | 20.3°C | 20.9°C | |
| SEP 17 | 19.4°C | 20.9°C | |
| SEP 18 | 18.5°C | 20.9°C | |
| SEP 19 | 19.1°C | 20.9°C | |
| SEP 20 | 19.4°C | 20.9°C | |
| SEP 21 | 19.4°C | 20.9°C | |
| SEP 22 | 20.9°C | 19.5°C | |
| SEP 23 | 20.9°C | 19.6°C | |
| SEP 24 | 20.9°C | 19.6°C | |
| SEP 25 | 20.9°C | 19.7°C | |
| SEP 26 | 20.9°C | 19.8°C | |
| SEP 27 | 20.9°C | 19.9°C | |
| SEP 28 | 20.9°C | 19.9°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 | 5°C |
| April | 1°C | 6°C | 12°C |
| May | 9°C | 15°C | 22°C |
| June | 16°C | 22°C | 27°C |
| July | 20°C | 24°C | 29°C |
| August | 20°C | 25°C | 28°C |
| September | 18°C | 21°C | 24°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 7°C | 11°C |
| December | 1°C | 3°C | 6°C |
Maple Lake: Water Temperature by Location
Maple Lake: Weather Forecast
September 22
September 23
September 24
September 25
Location & Local Information
Maple Lake in Minnesota experiences the typical seasonal shifts of upper Midwestern lakes. Surface temperatures are near freezing in winter, around 32°F (0°C), and the lake often holds ice for several months. During spring and early summer the water warms gradually, commonly ranging from roughly 40–60°F (4–16°C) as ice-out and runoff influence conditions. Peak summer surface temperatures frequently reach the upper 60s to high 70s °F, about 20–26°C, especially in shallow bays on warm, sunny days. By fall the lake cools back toward 50–60°F (10–16°C) before refreezing with the onset of winter.
Swimming is generally possible and most comfortable in the warmest months when surface temperatures are in that 68–78°F (20–26°C) window. Local access points and recreation areas typically allow swimming, but conditions vary by season and location; ice makes swimming unsafe in winter, and spring or late-season cold snaps can produce water that is too chilly for most swimmers. Water quality advisories, algae blooms, boat traffic, and the presence or absence of lifeguards may affect whether and where swimming is advisable, so visitors should observe posted signs and current local guidance before entering the water.