Mankato — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Mankato, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Mankato today is 17.9°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 | 20.7°C | 16.8°C | |
| SEP 15 | 19.9°C | 16.8°C | |
| SEP 16 | 19.4°C | 16.8°C | |
| SEP 17 | 18.0°C | 16.8°C | |
| SEP 18 | 18.3°C | 16.8°C | |
| SEP 19 | 18.3°C | 16.8°C | |
| SEP 20 | 18.8°C | 16.8°C | |
| SEP 21 | 17.9°C | 16.8°C | |
| SEP 22 | 16.8°C | 17.8°C | |
| SEP 23 | 16.8°C | 17.8°C | |
| SEP 24 | 16.8°C | 17.7°C | |
| SEP 25 | 16.8°C | 17.7°C | |
| SEP 26 | 16.8°C | 17.6°C | |
| SEP 27 | 16.8°C | 17.6°C | |
| SEP 28 | 16.8°C | 17.5°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 | 1°C | 5°C | 9°C |
| February | 1°C | 5°C | 9°C |
| March | 0°C | 6°C | 11°C |
| April | 3°C | 10°C | 16°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 23°C |
| July | 17°C | 22°C | 27°C |
| August | 17°C | 22°C | 26°C |
| September | 11°C | 17°C | 23°C |
| October | 8°C | 14°C | 20°C |
| November | 3°C | 8°C | 16°C |
| December | 1°C | 5°C | 8°C |
Mankato: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Mankato, Minnesota, is situated along the Minnesota River, offering scenic views and recreational activities. However, swimming in the river itself is not a common practice due to its variable conditions. The water is often murky, with strong currents and fluctuating water levels, making it potentially dangerous for swimmers. The water temperature in the Minnesota River near Mankato during summer typically ranges from 65°F to 75°F (18°C to 24°C), which may feel comfortable for activities like kayaking and fishing but isn’t ideal for swimming due to water quality concerns and strong currents.
While the river provides opportunities for canoeing, kayaking, and fishing, swimming is generally not recommended. The Minnesota River's unpredictable conditions can pose risks, especially when it comes to submerged obstacles or rapidly changing currents. Residents and visitors to Mankato often opt for alternative water-based activities in safer, designated spots, such as nearby lakes or pools, where conditions are more conducive to swimming.
Mankato does offer access to various parks and outdoor recreational areas along the river, making it an excellent place for picnics, hiking, and nature walks. The city’s lakes and community swimming pools are more popular and safer alternatives for those looking to enjoy swimming during the warm months. While the Minnesota River is beautiful to look at, for those seeking a swim, local lakes and pools remain the top choice in Mankato.