Taylorville Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Taylorville Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Taylorville Lake today is 23.4°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 |
|---|---|---|---|
| SEP 14 | 24.1°C | 25.5°C | |
| SEP 15 | 23.2°C | 25.5°C | |
| SEP 16 | 23.2°C | 25.5°C | |
| SEP 17 | 23.3°C | 25.5°C | |
| SEP 18 | 23.3°C | 25.5°C | |
| SEP 19 | 23.6°C | 25.5°C | |
| SEP 20 | 23.4°C | 25.5°C | |
| SEP 21 | 23.4°C | 25.5°C | |
| SEP 22 | 25.5°C | 23.5°C | |
| SEP 23 | 25.5°C | 23.6°C | |
| SEP 24 | 25.5°C | 23.7°C | |
| SEP 25 | 25.5°C | 23.8°C | |
| SEP 26 | 25.5°C | 23.9°C | |
| SEP 27 | 25.5°C | 24.0°C | |
| SEP 28 | 25.5°C | 24.1°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 | 2°C | 4°C |
| February | 2°C | 4°C | 7°C |
| March | 4°C | 8°C | 11°C |
| April | 6°C | 12°C | 19°C |
| May | 10°C | 16°C | 22°C |
| June | 18°C | 22°C | 25°C |
| July | 25°C | 29°C | 32°C |
| August | 24°C | 27°C | 30°C |
| September | 22°C | 26°C | 29°C |
| October | 15°C | 19°C | 23°C |
| November | 6°C | 11°C | 15°C |
| December | 0°C | 3°C | 7°C |
Taylorville Lake: Water Temperature by Location
Taylorville Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Taylorville Lake in central Illinois typically follows the seasonal temperature patterns of shallow Midwestern reservoirs. In winter the water often hovers around freezing to the low 40s F (about 0–5 °C), while spring brings a steady rise into the 40s and 50s F (5–15 °C) as the surface warms. By summer the surface frequently reaches the mid-70s to mid-80s F (24–29 °C), though nearshore shallows can warm faster and the deeper parts of the reservoir remain noticeably cooler. Autumn cooling usually brings temperatures down through the 50s and 60s F (10–20 °C) before winter turnover. These ranges can vary year to year with air temperature, rainfall, and the lake’s depth and clarity.
Swimming at Taylorville Lake is not centered around formal lifeguarded beaches; the area is primarily managed for fishing and boating, so there are few designated swimming facilities. People do swim from shore and boats, but such activity is generally informal and at one’s own risk because of boat traffic, submerged structures, variable water clarity, and occasional algal or bacterial concerns after heavy rains. Visitors should check local notices about water quality, avoid swimming near launches and marinas, and consider cooler or deeper-water temperatures and hidden hazards when choosing to enter the water.