Louisville — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Louisville, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Louisville today is 18.9°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 |
|---|---|---|---|
| APR 11 | 14.4°C | 12.0°C | |
| APR 12 | 15.3°C | 12.0°C | |
| APR 13 | 16.7°C | 12.0°C | |
| APR 14 | 16.1°C | 12.0°C | |
| APR 15 | 16.7°C | 12.0°C | |
| APR 16 | 18.6°C | 12.0°C | |
| APR 17 | 18.9°C | 12.0°C | |
| APR 18 | 19.0°C | 12.0°C | |
| APR 19 | 12.0°C | 18.6°C | |
| APR 20 | 12.0°C | 18.2°C | |
| APR 21 | 12.0°C | 17.9°C | |
| APR 22 | 12.0°C | 17.5°C | |
| APR 23 | 12.0°C | 17.2°C | |
| APR 24 | 12.0°C | 16.8°C | |
| APR 25 | 12.0°C | 16.5°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 | 6°C | 11°C |
| March | 3°C | 10°C | 16°C |
| April | 5°C | 12°C | 19°C |
| May | 8°C | 13°C | 21°C |
| June | 14°C | 19°C | 23°C |
| July | 17°C | 21°C | 25°C |
| August | 17°C | 21°C | 25°C |
| September | 11°C | 18°C | 24°C |
| October | 8°C | 15°C | 22°C |
| November | 3°C | 11°C | 18°C |
| December | 2°C | 7°C | 13°C |
Louisville: Weather Forecast
April 19
April 20
April 21
April 22
Location & Local Information
In Louisville, Kentucky, the Ohio River runs through the heart of the city, providing both a scenic and historical feature. However, swimming directly in the Ohio River is not commonly recommended due to the strong currents, water quality concerns, and the presence of commercial traffic. The water temperature in the Ohio River tends to vary depending on the season. During summer, the water temperature can reach around 75-80°F (24-27°C), which might seem inviting for a swim, but the river's conditions still pose risks. In the winter months, the water temperature can dip down to 40°F (4°C) or lower, making swimming unappealing and dangerous.
Although swimming is not a popular activity in the Ohio River itself, the river offers plenty of other recreational opportunities, such as boating, fishing, and kayaking. The calm sections of the river near the city are commonly used for these water-based activities, with several boat ramps and marinas available for public access. The picturesque views of the riverbanks and the city skyline make it a relaxing environment for those enjoying a day on the water from a boat or kayak.
For swimming, Louisville offers a range of public swimming pools and recreational centers. These locations are equipped with well-maintained facilities for those who want to swim in a safer, controlled environment. While the Ohio River may be best enjoyed from a distance or with other activities, the city provides plenty of options for aquatic fun without the risks associated with river swimming.