Brinker Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Brinker Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Brinker Lake today is 19.4°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 |
|---|---|---|---|
| SEP 14 | 21.5°C | 19.9°C | |
| SEP 15 | 20.8°C | 19.9°C | |
| SEP 16 | 19.5°C | 19.9°C | |
| SEP 17 | 20.4°C | 19.9°C | |
| SEP 18 | 19.6°C | 19.9°C | |
| SEP 19 | 20.0°C | 19.9°C | |
| SEP 20 | 18.9°C | 19.9°C | |
| SEP 21 | 19.4°C | 19.9°C | |
| SEP 22 | 19.9°C | 19.4°C | |
| SEP 23 | 19.9°C | 19.5°C | |
| SEP 24 | 19.9°C | 19.5°C | |
| SEP 25 | 19.9°C | 19.5°C | |
| SEP 26 | 19.9°C | 19.5°C | |
| SEP 27 | 19.9°C | 19.6°C | |
| SEP 28 | 19.9°C | 19.6°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 | 1°C | 3°C |
| February | 0°C | 2°C | 3°C |
| March | 0°C | 6°C | 12°C |
| April | 6°C | 11°C | 16°C |
| May | 12°C | 17°C | 23°C |
| June | 18°C | 22°C | 26°C |
| July | 23°C | 27°C | 30°C |
| August | 22°C | 25°C | 28°C |
| September | 15°C | 20°C | 25°C |
| October | 12°C | 17°C | 21°C |
| November | 2°C | 10°C | 18°C |
| December | 0°C | 2°C | 5°C |
Brinker Lake: Water Temperature by Location
Brinker Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Brinker Lake in Iowa experiences the same seasonal swing in water temperature typical of midwestern shallow lakes. In winter the surface commonly approaches freezing, around 32–40°F (0–4°C) when ice is present. Spring warming lifts temperatures into the 40s and 50s°F (4–15°C) as ice melts and runoff cools the shore. In summer, surface temperatures are most comfortable for recreation, often ranging from about 68–80°F (20–27°C) and occasionally rising to the mid-80s°F (28–30°C) during heat waves. By fall the water cools again into roughly the 50s–60s°F (10–16°C) before the lake returns to near-freezing conditions for winter.
Swimming at Brinker Lake is generally possible in the warmer months because summer surface temperatures are typically within a comfortable range for bathing and there are public access points for shore entry. Whether swimming is appropriate on any given day depends on local conditions: water quality (including algal blooms), clarity, currents, the presence of designated swim areas or lifeguards, and posted rules. Cold or rapidly changing temperatures can create hazards such as cold shock, and poor water quality can lead to advisories, so swimmers should check local guidance and exercise normal lake-safety precautions.