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El Dorado Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in El Dorado Lake, trends, monthly ranges and the forecast for the coming days.

Marion County Lake, United States
Marion County Lake, United States © By SharonPapierdreams, CC BY-SA 4.0

Current Water Temperature

24.6°C
Today
24.2°C
Yesterday
23.0°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in El Dorado Lake today is 24.6°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

From May 10 to June 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 222.1°C22.0°C
JUN 322.1°C22.0°C
JUN 422.3°C22.0°C
JUN 522.5°C22.0°C
JUN 622.6°C22.0°C
JUN 724.2°C22.0°C
JUN 824.1°C22.0°C
JUN 1022.0°C24.5°C
JUN 1122.0°C24.3°C
JUN 1222.0°C24.2°C
JUN 1322.0°C24.1°C
JUN 1422.0°C24.0°C
JUN 1522.0°C23.8°C
JUN 1622.0°C23.7°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
January1°C3°C6°C
February1°C4°C7°C
March2°C8°C15°C
April10°C14°C19°C
May13°C18°C23°C
June19°C22°C25°C
July24°C27°C30°C
August21°C24°C27°C
September21°C24°C27°C
October14°C18°C22°C
November8°C13°C17°C
December3°C6°C8°C

El Dorado Lake: Water Temperature by Location

El Dorado Lake: Weather Forecast

June 9

° / °
slight thunderstorm
rain: 19% | wind:

June 10

° / °
slight thunderstorm
rain: 12% | wind:

June 11

° / °
slight rain showers
rain: 19% | wind:

June 12

° / °
light drizzle
rain: 28% | wind:

June 13

° / °
light drizzle
rain: 29% | wind:

Location & Local Information

El Dorado Lake, a Corps of Engineers reservoir in central Kansas, experiences pronounced seasonal swings in surface water temperature. In summer the surface commonly warms into the mid-70s to mid-80s °F (24–29 °C), making the lake comfortable for recreational swimming. Spring sees a steady rise from roughly the mid-40s to mid-60s °F (7–18 °C) as the water stratifies, while fall cooling typically brings surface temperatures down through the 50s and 60s °F (10–20 °C). Winter surface temperatures often fall to near freezing, roughly 32–40 °F (0–4 °C); deeper water remains colder and can be several degrees lower than the surface during stratified periods.

Swimming is permitted at El Dorado Lake in designated recreation areas and beaches managed around the reservoir, and the lake is used for general water-based recreation because it is a multipurpose public reservoir. However, there are no guaranteed lifeguards at most sites, and safety considerations — boat traffic, sudden drop-offs, submerged hazards, and occasional algae or water‑quality advisories — mean visitors should swim at their own risk and heed posted signs. Seasonal temperature changes and local conditions can strongly affect comfort and safety, so swimmers should check current conditions and use caution, especially in early spring or late fall when water is cold.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in El Dorado Lake?
Water Temperature in El Dorado Lake today is 24.6°C.
What is the water temperature in El Dorado Lake during the summer months?
The water temperature in El Dorado Lake in summer fluctuates in the range of 19°C - 30°C.
Is it possible to swim in El Dorado Lake and what are the possibilities for this?
Yes, it is possible to swim in El Dorado Lake, Kansas. The state park offers designated swimming beaches, and there can also be opportunities for open water swimming.