Apache Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Apache Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Apache Lake today is 27.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. 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 30 | 32.1°C | 30.1°C | |
| AUG 31 | 32.1°C | 30.1°C | |
| SEP 1 | 31.6°C | 28.0°C | |
| SEP 2 | 31.6°C | 28.0°C | |
| SEP 3 | 28.2°C | 28.0°C | |
| SEP 4 | 28.1°C | 28.0°C | |
| SEP 5 | 28.2°C | 28.0°C | |
| SEP 6 | 28.0°C | 28.0°C | |
| SEP 7 | 28.0°C | 27.9°C | |
| SEP 8 | 28.0°C | 27.9°C | |
| SEP 9 | 28.0°C | 27.9°C | |
| SEP 10 | 28.0°C | 27.9°C | |
| SEP 11 | 28.0°C | 27.9°C | |
| SEP 12 | 28.0°C | 27.9°C | |
| SEP 13 | 28.0°C | 27.9°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 | 11°C | 17°C | 22°C |
| February | 11°C | 16°C | 20°C |
| March | 12°C | 17°C | 22°C |
| April | 14°C | 21°C | 27°C |
| May | 21°C | 24°C | 28°C |
| June | 21°C | 26°C | 30°C |
| July | 25°C | 30°C | 35°C |
| August | 27°C | 30°C | 34°C |
| September | 25°C | 28°C | 31°C |
| October | 21°C | 25°C | 29°C |
| November | 16°C | 21°C | 26°C |
| December | 13°C | 19°C | 24°C |
Apache Lake: Water Temperature by Location
Apache Lake: Weather Forecast
September 7
September 8
September 9
September 10
September 11
September 12
Location & Local Information
Apache Lake, one of the four reservoirs along the Salt River in Arizona, experiences a dramatic range in water temperature, typical of the Sonoran Desert environment. During the intense summer heat, which can see air temperatures well over 38∘C (100∘F), the surface water warms considerably, often reaching highs of 28∘C to 31∘C (82∘F to 88∘F), making it highly desirable for cooling off. Conversely, the winter months bring about the coolest water conditions, with surface temperatures dropping to the range of 11∘C to 14∘C (52∘F to 57∘F), which is too cold for casual recreation but favors certain cold-water fish.
Swimming is generally allowed and is a popular activity at Apache Lake, as the Tonto National Forest manages it for a variety of recreational uses. Designated areas, such as shoreline stretches near the Apache Lake Marina and certain coves, are often used for swimming and beaching. However, there are no official lifeguarded beaches, meaning swimming is done at one's own risk. Caution is essential due to the remote nature of the lake, heavy boat traffic, and the rugged, rocky terrain which can result in sudden, deep drop-offs and submerged hazards. Cliff jumping is also explicitly discouraged due to unknown submerged obstacles and shallow areas.