Lake Odessa — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Odessa, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Odessa today is 21.5°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 | 22.0°C | 23.7°C | |
| SEP 15 | 21.6°C | 23.7°C | |
| SEP 16 | 20.8°C | 23.7°C | |
| SEP 17 | 21.2°C | 23.7°C | |
| SEP 18 | 20.8°C | 23.7°C | |
| SEP 19 | 21.3°C | 23.7°C | |
| SEP 20 | 21.3°C | 23.7°C | |
| SEP 21 | 21.5°C | 23.7°C | |
| SEP 22 | 23.7°C | 21.6°C | |
| SEP 23 | 23.7°C | 21.7°C | |
| SEP 24 | 23.7°C | 21.8°C | |
| SEP 25 | 23.7°C | 21.9°C | |
| SEP 26 | 23.7°C | 22.1°C | |
| SEP 27 | 23.7°C | 22.2°C | |
| SEP 28 | 23.7°C | 22.3°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 | 4°C |
| February | 0°C | 2°C | 5°C |
| March | 2°C | 5°C | 9°C |
| April | 6°C | 12°C | 19°C |
| May | 13°C | 20°C | 27°C |
| June | 20°C | 25°C | 30°C |
| July | 24°C | 29°C | 34°C |
| August | 24°C | 29°C | 34°C |
| September | 21°C | 24°C | 27°C |
| October | 17°C | 21°C | 24°C |
| November | 4°C | 11°C | 17°C |
| December | 0°C | 3°C | 7°C |
Lake Odessa: Water Temperature by Location
Lake Odessa: Weather Forecast
September 22
September 23
September 24
September 25
Location & Local Information
Lake Odessa’s water follows the seasonal pattern typical of small Iowa lakes. In winter the surface is typically at or just above freezing, around 32°F (0°C) and often ice-covered. Spring sees a steady rise from the 40s–50s°F (4–15°C) as runoff and warming air temperatures mix the water. By late spring into early summer surface temperatures commonly range from the mid-60s to low 70s°F (18–23°C), and in the warmest weeks of July and August the lake often warms to the low to upper 70s°F (22–27°C), sometimes spiking briefly into the 80s°F (27–31°C) during heat waves. Temperatures begin to decline in autumn back through the 50s–60s°F (10–16°C) before returning to near-freezing.
Swimming at Lake Odessa is generally allowed in designated recreational areas during the warmer months because the lake and its shoreline are managed for public use. However access is subject to local rules and conditions: beaches may be closed for safety, high bacterial counts, or harmful algal blooms, and ice cover makes swimming unsafe in winter. Visitors should use marked swim areas, heed posted advisories, and be aware that temperatures remain cool into late spring and decline again in fall, which can affect comfort and safety in the water.