St. Joseph River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the St. Joseph River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the St. Joseph River today is 19.1°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 12 | 17.7°C | 17.5°C | |
| SEP 13 | 19.1°C | 17.5°C | |
| SEP 14 | 19.2°C | 17.5°C | |
| SEP 15 | 19.8°C | 17.5°C | |
| SEP 16 | 18.0°C | 17.5°C | |
| SEP 17 | 18.0°C | 17.5°C | |
| SEP 18 | 18.7°C | 17.5°C | |
| SEP 19 | 18.8°C | 17.5°C | |
| SEP 20 | 17.5°C | 19.0°C | |
| SEP 21 | 17.5°C | 18.9°C | |
| SEP 22 | 17.5°C | 18.9°C | |
| SEP 23 | 17.5°C | 18.8°C | |
| SEP 24 | 17.5°C | 18.7°C | |
| SEP 25 | 17.5°C | 18.6°C | |
| SEP 26 | 17.5°C | 18.5°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 | 5°C | 9°C |
| February | 1°C | 5°C | 9°C |
| March | 2°C | 7°C | 11°C |
| April | 5°C | 11°C | 17°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 18°C | 23°C |
| July | 17°C | 22°C | 27°C |
| August | 17°C | 22°C | 27°C |
| September | 11°C | 18°C | 24°C |
| October | 8°C | 15°C | 22°C |
| November | 3°C | 8°C | 16°C |
| December | 1°C | 5°C | 8°C |
St. Joseph River: Water Temperature by Location
St. Joseph River: Weather Forecast
September 20
September 21
September 22
September 23
September 24
Location & Local Information
Source Baw Beese Lake
• location Hillsdale, Michigan
Mouth Lake Michigan
• location St. Joseph, Michigan
Length 210 mi (340 km)
The St. Joseph River, flowing through Michigan and Indiana, is a popular spot for outdoor recreation, including swimming in designated areas. During the summer, the water temperature typically ranges from 65°F to 75°F (18°C to 24°C), providing a refreshing environment for swimmers. In spring and early fall, the river’s temperature can be cooler, often dipping below 60°F (15°C), which might be less comfortable for swimming but still manageable for those accustomed to brisk water.
Swimming in the St. Joseph River is most commonly enjoyed in areas where public access is available, such as parks or beaches along its banks. While the river's calmer sections can be ideal for swimming, it’s important to be mindful of areas with stronger currents, especially after heavy rainfall. Some stretches of the river are better suited for wading or relaxing by the water’s edge, while deeper sections may appeal to more experienced swimmers. Overall, the St. Joseph River offers a mix of opportunities to cool off during warmer months, surrounded by the serene natural beauty of the Midwest.