Heron Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Heron Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Heron Reservoir today is 26.3°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 4 | 23.1°C | 24.4°C | |
| AUG 5 | 22.5°C | 24.4°C | |
| AUG 6 | 22.5°C | 24.4°C | |
| AUG 7 | 22.4°C | 24.4°C | |
| AUG 8 | 22.5°C | 24.4°C | |
| AUG 9 | 22.7°C | 24.4°C | |
| AUG 10 | 25.2°C | 24.4°C | |
| AUG 11 | 26.3°C | 24.4°C | |
| AUG 12 | 24.4°C | 26.2°C | |
| AUG 13 | 24.4°C | 26.1°C | |
| AUG 14 | 24.4°C | 26.0°C | |
| AUG 15 | 24.4°C | 25.9°C | |
| AUG 16 | 24.4°C | 25.8°C | |
| AUG 17 | 24.4°C | 25.7°C | |
| AUG 18 | 24.4°C | 25.6°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 | 3°C | 6°C |
| February | 0°C | 3°C | 6°C |
| March | 5°C | 9°C | 14°C |
| April | 6°C | 14°C | 22°C |
| May | 11°C | 15°C | 20°C |
| June | 14°C | 19°C | 23°C |
| July | 20°C | 23°C | 26°C |
| August | 22°C | 24°C | 27°C |
| September | 20°C | 23°C | 25°C |
| October | 15°C | 19°C | 23°C |
| November | 5°C | 10°C | 15°C |
| December | 2°C | 4°C | 7°C |
Heron Reservoir: Water Temperature by Location
Heron Reservoir: Weather Forecast
August 12
August 13
August 14
August 15
August 16
Location & Local Information
Heron Reservoir sits at high elevation in northern New Mexico, so its water stays relatively cool throughout the year. Seasonal surface temperatures typically run from near freezing in winter—about 32–45°F (0–7°C)—to a spring buildup around 40–60°F (4–15°C). In summer the lake’s surface most commonly reaches roughly 60–70°F (15–21°C), with occasional warm spells pushing parts of the surface into the low- to mid-70s°F (around 22–24°C). By autumn the water generally declines again into the 45–60°F (7–15°C) range as air temperatures cool. Deeper water remains significantly colder year-round, and rapid changes in weather or wind can quickly alter surface readings.
Swimming at Heron Reservoir is not actively managed with lifeguards or developed swim beaches, and while people do enter the water recreationally, conditions often make swimming less inviting and potentially hazardous. The combination of cold temperatures even in summer, sudden drop-offs, submerged hazards, and boat traffic means that the area is effectively an unmanaged swim environment; some access points may be posted with local rules or restrictions. For these reasons, many visitors treat Heron more as a fishing and boating destination than a conventional swimming lake.