Alamo Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Alamo Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Alamo Lake today is 18.1°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 |
|---|---|---|---|
| NOV 6 | 18.7°C | 22.9°C | |
| NOV 7 | 18.5°C | 22.9°C | |
| NOV 8 | 19.0°C | 22.9°C | |
| NOV 9 | 18.6°C | 22.9°C | |
| NOV 10 | 18.2°C | 22.9°C | |
| NOV 11 | 17.9°C | 22.9°C | |
| NOV 12 | 18.6°C | 22.9°C | |
| NOV 13 | 18.2°C | 22.9°C | |
| NOV 14 | 22.9°C | 18.3°C | |
| NOV 15 | 22.9°C | 18.6°C | |
| NOV 16 | 22.9°C | 18.8°C | |
| NOV 17 | 22.9°C | 19.1°C | |
| NOV 18 | 22.9°C | 19.3°C | |
| NOV 19 | 22.9°C | 19.5°C | |
| NOV 20 | 22.9°C | 19.8°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 | 10°C | 17°C | 23°C |
| February | 9°C | 16°C | 22°C |
| March | 9°C | 17°C | 25°C |
| April | 17°C | 23°C | 29°C |
| May | 21°C | 25°C | 29°C |
| June | 25°C | 29°C | 32°C |
| July | 27°C | 31°C | 36°C |
| August | 27°C | 32°C | 36°C |
| September | 24°C | 28°C | 33°C |
| October | 21°C | 27°C | 32°C |
| November | 16°C | 23°C | 29°C |
| December | 13°C | 18°C | 22°C |
Alamo Lake: Water Temperature by Location
Alamo Lake: Weather Forecast
November 14
November 15
November 16
November 17
November 18
Location & Local Information
Alamo Lake, located in western Arizona within Alamo Lake State Park, sits in a warm desert environment that gives it some of the highest water temperatures in the state during summer. In winter, surface temperatures usually range from 52 to 60°F (11–16°C), cool but generally mild compared to northern lakes. As spring arrives, the desert sun warms the water quickly, and by May temperatures often reach 70–78°F (21–26°C). During the summer months, Alamo Lake becomes very warm, with surface temperatures averaging between 84 and 90°F (29–32°C) in July and August. In autumn, the water gradually cools to around 68–75°F (20–24°C), maintaining pleasant conditions for outdoor recreation well into October before returning to winter values.
Swimming is allowed at Alamo Lake and is a common activity during the hot months, when air temperatures frequently exceed 100°F (38°C). The lake’s warm, clear water provides relief from the desert heat, and several access points and beaches along the shoreline make swimming convenient. Because it is a remote reservoir surrounded by rugged desert terrain, visitors should be cautious of fluctuating water levels and steep shoreline areas. Despite its isolation, Alamo Lake offers excellent opportunities for swimming, boating, and relaxation in a quiet natural setting.