Olathe Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Olathe Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Olathe Lake today is 24.9°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 3 | 23.6°C | 25.0°C | |
| JUN 4 | 23.6°C | 25.0°C | |
| JUN 5 | 23.6°C | 25.0°C | |
| JUN 6 | 23.9°C | 25.0°C | |
| JUN 7 | 25.0°C | 25.0°C | |
| JUN 8 | 24.7°C | 25.0°C | |
| JUN 10 | 24.9°C | 25.0°C | |
| JUN 11 | 25.0°C | 24.9°C | |
| JUN 12 | 25.0°C | 24.9°C | |
| JUN 13 | 25.0°C | 24.9°C | |
| JUN 14 | 25.0°C | 24.9°C | |
| JUN 15 | 25.0°C | 24.9°C | |
| JUN 16 | 25.0°C | 24.9°C | |
| JUN 17 | 25.0°C | 24.9°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 | 3°C | 6°C |
| February | 0°C | 3°C | 6°C |
| March | 2°C | 10°C | 18°C |
| April | 11°C | 15°C | 20°C |
| May | 15°C | 20°C | 25°C |
| June | 20°C | 25°C | 30°C |
| July | 26°C | 29°C | 31°C |
| August | 24°C | 28°C | 31°C |
| September | 23°C | 26°C | 29°C |
| October | 15°C | 19°C | 23°C |
| November | 5°C | 12°C | 17°C |
| December | 0°C | 3°C | 6°C |
Olathe Lake: Water Temperature by Location
Olathe Lake: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Olathe Lake’s surface water temperatures vary with the seasons and local weather. In spring (roughly April–May) the lake typically warms from around 50–65°F (10–18°C) as air temperatures rise; summer (June–August) surface readings commonly reach 70–85°F (21–29°C), with the warmest, calm July afternoons sometimes pushing toward the upper end. In fall (September–October) temperatures generally fall back into the 50–70°F (10–21°C) range, while winter conditions can drop the surface to near freezing, roughly 32–45°F (0–7°C), and parts of the lake may ice over in sustained cold. Actual temperatures depend on depth, wind, recent rainfall and algal activity, so readings can shift quickly from these typical ranges.
There is no formally supervised public swimming beach at Olathe Lake, and swimming is generally not promoted by park authorities; in practice water contact activities are discouraged or restricted because the lake is not managed for bathing, there are no lifeguards, and conditions can present hazards such as sudden drop-offs, submerged debris and occasional algal blooms that affect water quality. The site is most commonly used for fishing, boating and shoreline recreation; visitors should heed posted signs and city guidance before entering the water.