Bullock Pen Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Bullock Pen Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Bullock Pen Lake today is 19.2°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 | 21.7°C | 22.5°C | |
| OCT 6 | 21.2°C | 22.5°C | |
| OCT 7 | 21.3°C | 22.5°C | |
| OCT 8 | 20.3°C | 22.5°C | |
| OCT 9 | 20.0°C | 22.5°C | |
| OCT 10 | 20.3°C | 22.5°C | |
| OCT 11 | 20.4°C | 22.5°C | |
| OCT 12 | 19.4°C | 22.5°C | |
| OCT 13 | 22.5°C | 19.4°C | |
| OCT 14 | 22.5°C | 19.5°C | |
| OCT 15 | 22.5°C | 19.7°C | |
| OCT 16 | 22.5°C | 19.9°C | |
| OCT 17 | 22.5°C | 20.0°C | |
| OCT 18 | 22.5°C | 20.2°C | |
| OCT 19 | 22.5°C | 20.4°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 | 1°C | 5°C | 10°C |
| February | 1°C | 4°C | 7°C |
| March | 4°C | 9°C | 15°C |
| April | 9°C | 16°C | 22°C |
| May | 9°C | 17°C | 25°C |
| June | 19°C | 23°C | 27°C |
| July | 21°C | 26°C | 30°C |
| August | 22°C | 27°C | 32°C |
| September | 21°C | 26°C | 31°C |
| October | 18°C | 23°C | 27°C |
| November | 11°C | 15°C | 18°C |
| December | 6°C | 9°C | 12°C |
Bullock Pen Lake: Water Temperature by Location
Bullock Pen Lake: Weather Forecast
October 13
October 14
October 15
October 16
October 17
October 18
Location & Local Information
Bullock Pen Lake experiences marked seasonal changes in water temperature because it is a relatively shallow reservoir in northern Kentucky. In winter the surface can range from roughly 34–45°F (1–7°C) as cold air cools the water and ice may form in the coldest spells. Spring sees a steady warm-up, with surface temperatures typically between about 45–65°F (7–18°C) as solar heating and runoff raise the lake’s warmth. Summer brings the warmest conditions, when surface readings commonly reach 70–85°F (21–29°C) on hot days; shallow bays can heat even higher. Into autumn the lake cools again, often falling back to roughly 50–70°F (10–21°C) depending on seasonal weather. Temperatures vary with depth, wind, and recent weather, so surface readings are not always the same as water a few feet down.
Swimming at Bullock Pen Lake is generally possible, but conditions and rules determine where and when it is advisable. There is not typically a staffed lifeguard on site, and many areas are shared with boats and anglers, so designated swimming spots or shorelines away from boat traffic are safest. Water quality, submerged hazards, and sudden temperature changes can affect safety; colder water increases risk of cold shock. Visitors should follow posted regulations and advisories, exercise caution, and check local notices before entering the water.