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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

13.0°C
Today
14.6°C
Yesterday
16.4°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 13°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 October 2 to November 2

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 2616.4°C18.0°C
OCT 2715.9°C18.0°C
OCT 2815.0°C18.0°C
OCT 2914.2°C18.0°C
OCT 3015.3°C18.0°C
OCT 3114.8°C18.0°C
NOV 114.6°C12.5°C
NOV 213.0°C12.5°C
NOV 312.5°C13.0°C
NOV 412.5°C13.0°C
NOV 512.5°C12.9°C
NOV 612.5°C12.9°C
NOV 712.5°C12.9°C
NOV 812.5°C12.9°C
NOV 912.5°C12.8°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°C26°C
July24°C27°C31°C
August21°C26°C30°C
September21°C25°C29°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

November 3

° / °
light drizzle
rain: 73% | wind:

November 4

° / °
moderate drizzle
rain: 19% | wind:

November 5

° / °
overcast
rain: 9% | wind:

November 6

° / °
overcast
rain: 7% | wind:

November 7

° / °
overcast
rain: 8% | 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 13°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 - 31°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.