Horseshoe Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Horseshoe Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Horseshoe Reservoir today is 31.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature is above 82°F (28°C). This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating. 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 |
|---|---|---|---|
| AUG 24 | 32.9°C | 31.0°C | |
| AUG 25 | 32.7°C | 31.0°C | |
| AUG 26 | 32.7°C | 31.0°C | |
| AUG 27 | 34.0°C | 31.0°C | |
| AUG 28 | 33.9°C | 31.0°C | |
| AUG 29 | 32.0°C | 31.0°C | |
| AUG 30 | 32.0°C | 31.0°C | |
| AUG 31 | 32.0°C | 31.0°C | |
| SEP 1 | 28.5°C | 31.1°C | |
| SEP 2 | 28.5°C | 30.9°C | |
| SEP 3 | 28.5°C | 30.8°C | |
| SEP 4 | 28.5°C | 30.7°C | |
| SEP 5 | 28.5°C | 30.5°C | |
| SEP 6 | 28.5°C | 30.4°C | |
| SEP 7 | 28.5°C | 30.3°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 | 3°C | 9°C | 15°C |
| February | 8°C | 12°C | 16°C |
| March | 11°C | 16°C | 21°C |
| April | 14°C | 20°C | 25°C |
| May | 21°C | 24°C | 27°C |
| June | 23°C | 27°C | 30°C |
| July | 28°C | 31°C | 34°C |
| August | 27°C | 31°C | 35°C |
| September | 25°C | 29°C | 32°C |
| October | 21°C | 23°C | 26°C |
| November | 14°C | 18°C | 21°C |
| December | 10°C | 14°C | 18°C |
Horseshoe Reservoir: Water Temperature by Location
Horseshoe Reservoir: Weather Forecast
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September 5
September 6
Location & Local Information
Horseshoe Reservoir, located northeast of Phoenix on the Verde River, lies in a rugged desert canyon surrounded by the Mazatzal Mountains. The lake’s water temperature reflects both the desert climate and its river-fed nature, resulting in noticeable seasonal variation. During winter, surface temperatures usually range from 50 to 58°F (10–14°C), remaining cool due to mountain runoff. In spring, the reservoir warms quickly as desert air temperatures rise, reaching 65–75°F (18–24°C) by May. During summer, Horseshoe Reservoir experiences its warmest conditions, with surface waters typically between 80 and 86°F (27–30°C) in July and August. By autumn, the water cools again to about 65–72°F (18–22°C), staying comfortable for outdoor recreation until late October before dropping toward winter levels.
Swimming is permitted at Horseshoe Reservoir, though it is less developed for recreation than nearby Bartlett Lake. The warm summer water and scenic desert backdrop make it suitable for informal swimming and cooling off during hot days, but there are no designated beaches or lifeguarded areas. Because the reservoir’s water levels can fluctuate significantly due to its role in water storage and flood control, visitors should be cautious near steep banks and changing shorelines. Despite its remote setting, Horseshoe Reservoir provides a peaceful and natural environment for swimming and outdoor enjoyment.