Ohio River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Ohio River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Ohio River today is 23.6°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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 26 | 22.6°C | 18.6°C | |
| JUN 27 | 22.7°C | 18.6°C | |
| JUN 28 | 23.1°C | 18.6°C | |
| JUN 29 | 23.1°C | 18.6°C | |
| JUN 30 | 23.4°C | 18.6°C | |
| JUL 1 | 23.4°C | 20.0°C | |
| JUL 2 | 23.6°C | 20.0°C | |
| JUL 3 | 23.6°C | 20.0°C | |
| JUL 4 | 20.0°C | 23.4°C | |
| JUL 5 | 20.0°C | 23.2°C | |
| JUL 6 | 20.0°C | 23.1°C | |
| JUL 7 | 20.0°C | 22.9°C | |
| JUL 8 | 20.0°C | 22.7°C | |
| JUL 9 | 20.0°C | 22.5°C | |
| JUL 10 | 20.0°C | 22.3°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 | 10°C |
| February | 3°C | 5°C | 9°C |
| March | 3°C | 8°C | 14°C |
| April | 5°C | 12°C | 19°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 24°C |
| July | 17°C | 20°C | 24°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 | 7°C | 11°C |
Ohio River: Water Temperature by Location
Ohio River: Weather Forecast
July 4
July 5
July 6
July 7
Location & Local Information
Source Allegheny River
• location Allegany Township, Potter County, Pennsylvania
Mouth Mississippi River
• location at Cairo, Illinois / Ballard County, Kentucky
Length 981 mi (1,579 km)
The Ohio River, which flows through several states including Pennsylvania, Ohio, West Virginia, Kentucky, and Indiana, is one of the largest rivers in the United States. The water temperature in the Ohio River varies seasonally, with colder temperatures in the winter and warmer waters during the summer months. In winter, the temperature can drop significantly, often ranging between 30°F and 40°F (about 1°C to 4°C), making swimming unfeasible and dangerous due to the cold and strong currents. However, during the summer months, especially in late June through August, the water temperature typically rises to more comfortable levels for swimming, ranging from 70°F to 80°F (21°C to 27°C).
Swimming in the Ohio River is possible, but it comes with some precautions due to its strong currents and water quality. Certain sections of the river, particularly in more urban areas, may have higher pollution levels, which can make swimming less desirable. Still, there are spots where people venture into the water, particularly in areas where the river widens and the current slows down, such as in secluded coves or near certain riverfront parks. However, swimming in the Ohio River is generally more common among people who are familiar with the conditions and aware of potential safety hazards, including the presence of watercraft and the strength of the current.
In general, the Ohio River is more popular for recreational activities such as fishing, boating, and kayaking rather than swimming. Many people enjoy the river's scenery and use it for leisurely river cruises or water sports. Those interested in swimming should carefully research safe areas and monitor the weather and river conditions before deciding to enter the water, as the river's strong current can make swimming challenging, even in warmer temperatures.