Centennial Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Centennial Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Centennial Lake today is 18.3°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 |
|---|---|---|---|
| OCT 5 | 21.0°C | 21.0°C | |
| OCT 6 | 20.3°C | 21.0°C | |
| OCT 7 | 19.9°C | 21.0°C | |
| OCT 8 | 19.7°C | 21.0°C | |
| OCT 9 | 19.1°C | 21.0°C | |
| OCT 10 | 19.0°C | 21.0°C | |
| OCT 11 | 19.0°C | 21.0°C | |
| OCT 12 | 18.9°C | 21.0°C | |
| OCT 13 | 21.0°C | 18.4°C | |
| OCT 14 | 21.0°C | 18.6°C | |
| OCT 15 | 21.0°C | 18.7°C | |
| OCT 16 | 21.0°C | 18.8°C | |
| OCT 17 | 21.0°C | 19.0°C | |
| OCT 18 | 21.0°C | 19.1°C | |
| OCT 19 | 21.0°C | 19.2°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 | 2°C | 5°C | 8°C |
| February | 0°C | 3°C | 6°C |
| March | 2°C | 7°C | 12°C |
| April | 8°C | 14°C | 19°C |
| May | 13°C | 19°C | 25°C |
| June | 19°C | 24°C | 29°C |
| July | 25°C | 28°C | 31°C |
| August | 24°C | 27°C | 30°C |
| September | 22°C | 24°C | 27°C |
| October | 18°C | 21°C | 24°C |
| November | 8°C | 13°C | 18°C |
| December | 3°C | 6°C | 9°C |
Centennial Lake: Water Temperature by Location
Centennial Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
October 18
Location & Local Information
Centennial Lake in Maryland follows the typical seasonal temperature patterns of small Mid-Atlantic lakes, with surface temperatures rising and falling fairly quickly with air temperatures and sunlight. In winter the surface often sits near freezing to the low 40s Fahrenheit (about 33–45°F, 0.5–7°C). Spring warms from roughly 45–65°F (7–18°C) as stratification breaks down. Peak summer surface temperatures commonly reach the low to mid 70s up to mid 80s Fahrenheit (21–29°C) on warm, shallow sections, while fall cooling brings temperatures back to roughly 50–70°F (10–21°C). Deeper water will remain cooler than surface readings, and local weather, recent rains, and shading by trees can cause notable variation.
Swimming at Centennial Lake is generally not encouraged or may be prohibited because many such lakes in Maryland are managed primarily for stormwater control, wildlife habitat, or passive recreation rather than as designated bathing beaches. There are typically no lifeguards, no marked swim areas, and routine water-quality testing is limited, so entering the water carries safety and health risks. Visitors should observe posted rules and consider using municipal pools or designated swimming beaches where water quality and safety measures are provided.