Great Miami River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Great Miami River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Great Miami River today is 21.7°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 2 | 19.5°C | 18.5°C | |
| JUN 3 | 19.3°C | 18.5°C | |
| JUN 4 | 19.6°C | 18.5°C | |
| JUN 5 | 19.5°C | 18.5°C | |
| JUN 6 | 19.9°C | 18.5°C | |
| JUN 7 | 20.7°C | 18.5°C | |
| JUN 8 | 21.0°C | 18.5°C | |
| JUN 10 | 18.5°C | 21.5°C | |
| JUN 11 | 18.5°C | 21.4°C | |
| JUN 12 | 18.5°C | 21.2°C | |
| JUN 13 | 18.5°C | 21.1°C | |
| JUN 14 | 18.5°C | 20.9°C | |
| JUN 15 | 18.5°C | 20.7°C | |
| JUN 16 | 18.5°C | 20.6°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 | 3°C | 6°C | 9°C |
| February | 2°C | 6°C | 9°C |
| March | 2°C | 7°C | 12°C |
| April | 5°C | 11°C | 17°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 22°C |
| July | 17°C | 21°C | 25°C |
| August | 17°C | 22°C | 26°C |
| September | 11°C | 18°C | 24°C |
| October | 8°C | 15°C | 21°C |
| November | 3°C | 11°C | 18°C |
| December | 3°C | 6°C | 9°C |
Great Miami River: Water Temperature by Location
Great Miami River: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Source:
• location Indian Lake, Russells Point, Logan County, Ohio
• elevation 998 ft (304 m)
Mouth:
• location Ohio River, Miami Township, Hamilton County, Ohio
• elevation 449 feet (137 m)
Length 170 mi (270 km)
The Great Miami River, flowing through southwestern Ohio, is a significant waterway with a mix of urban and natural landscapes along its course. Its water temperature varies seasonally, with cooler temperatures ranging from 40°F to 55°F (4°C to 13°C) in early spring, gradually warming to 65°F–75°F (18°C–24°C) during the summer months. The river's temperature and flow are influenced by rainfall and seasonal weather, creating conditions that can shift from gentle and inviting to swift and challenging.
Swimming in the Great Miami River is possible in some areas, particularly during the summer when water temperatures are more comfortable. However, swimming is not the primary recreational focus due to concerns like occasional water quality issues, varying depths, and strong currents in certain sections. The river is better known for activities like kayaking, canoeing, and fishing, which are popular among locals and visitors alike. Alongside its recreational opportunities, the Great Miami River offers scenic parks and trails, making it a destination for those looking to enjoy nature near the water.