Walnut Creek Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Walnut Creek Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Walnut Creek Lake today is 21.9°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 15 | 22.3°C | 24.7°C | |
| SEP 16 | 22.8°C | 24.7°C | |
| SEP 17 | 22.8°C | 24.7°C | |
| SEP 18 | 21.5°C | 24.7°C | |
| SEP 19 | 21.4°C | 24.7°C | |
| SEP 20 | 21.4°C | 24.7°C | |
| SEP 21 | 23.5°C | 24.7°C | |
| SEP 22 | 23.4°C | 24.7°C | |
| SEP 23 | 24.7°C | 22.0°C | |
| SEP 24 | 24.7°C | 22.2°C | |
| SEP 25 | 24.7°C | 22.3°C | |
| SEP 26 | 24.7°C | 22.5°C | |
| SEP 27 | 24.7°C | 22.6°C | |
| SEP 28 | 24.7°C | 22.7°C | |
| SEP 29 | 24.7°C | 22.9°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 | 1°C | 4°C | 7°C |
| March | 2°C | 6°C | 11°C |
| April | 5°C | 11°C | 17°C |
| May | 13°C | 18°C | 24°C |
| June | 18°C | 23°C | 27°C |
| July | 23°C | 27°C | 31°C |
| August | 23°C | 26°C | 30°C |
| September | 21°C | 25°C | 29°C |
| October | 11°C | 16°C | 21°C |
| November | 4°C | 10°C | 16°C |
| December | 2°C | 5°C | 8°C |
Walnut Creek Lake: Water Temperature by Location
Walnut Creek Lake: Weather Forecast
September 23
September 24
September 25
September 26
September 27
September 28
Location & Local Information
Walnut Creek Lake in Nebraska follows the typical seasonal pattern for small Midwestern reservoirs. Winter surface temperatures commonly sit at or just above freezing, roughly 32–40°F (0–4°C), and the lake often develops ice cover when cold spells persist. Spring sees a steady rise as melt and warming air push surface values into the 40–65°F range (4–18°C). By summer the surface usually reaches its warmest, commonly between about 70–80°F (21–27°C), though shallow bays can occasionally climb a few degrees higher on hot, calm days. During autumn the water cools back through roughly 50–65°F (10–18°C) before freezing resumes. Deeper water stays colder year-round, so swimmers will notice a thermal gradient between surface and underlying layers.
Swimming at Walnut Creek Lake is generally allowed in suitable areas when conditions and local rules permit, but access and safety depend on management, water quality, and seasonal hazards. Designated swimming spots, if provided, are used during the warm months because warmer surface temperatures make immersion comfortable and reduce hypothermia risk; however, algal blooms, boat traffic, submerged hazards, or poor water-testing results can lead authorities to restrict swimming. Lifeguards are not always present, so visitors should heed posted rules, monitor changing conditions, and use caution when entering the water.