Deer Creek Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Deer Creek Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Deer Creek Reservoir today is 20.2°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 |
|---|---|---|---|
| JUN 6 | 18.8°C | 18.0°C | |
| JUN 7 | 19.2°C | 18.0°C | |
| JUN 8 | 19.4°C | 18.0°C | |
| JUN 10 | 18.9°C | 18.0°C | |
| JUN 11 | 20.5°C | 18.0°C | |
| JUN 12 | 20.4°C | 18.0°C | |
| JUN 13 | 20.2°C | 18.0°C | |
| JUN 14 | 18.0°C | 20.1°C | |
| JUN 15 | 18.0°C | 20.0°C | |
| JUN 16 | 18.0°C | 19.9°C | |
| JUN 17 | 18.0°C | 19.8°C | |
| JUN 18 | 18.0°C | 19.7°C | |
| JUN 19 | 18.0°C | 19.5°C | |
| JUN 20 | 18.0°C | 19.4°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 | 5°C |
| February | 1°C | 4°C | 7°C |
| March | 3°C | 8°C | 13°C |
| April | 5°C | 9°C | 13°C |
| May | 9°C | 14°C | 20°C |
| June | 15°C | 18°C | 21°C |
| July | 20°C | 22°C | 25°C |
| August | 20°C | 22°C | 25°C |
| September | 16°C | 19°C | 22°C |
| October | 8°C | 12°C | 16°C |
| November | 3°C | 7°C | 11°C |
| December | 0°C | 3°C | 6°C |
Deer Creek Reservoir: Water Temperature by Location
Deer Creek Reservoir: Weather Forecast
June 14
June 15
June 16
June 17
Location & Local Information
Deer Creek Reservoir is a high-altitude impoundment whose surface temperatures vary widely through the year. In winter the surface typically hovers near freezing to the mid-40s °F (about 0–7 °C) as cold air and inflowing snowmelt keep temperatures low. Spring sees a gradual rise, often ranging from the low 40s to mid-50s °F (4–13 °C). By summer the sun-warmed surface can reach roughly the mid-60s to low 70s °F (18–23 °C) on warm afternoons, though thermal stratification and inflows mean cooler pockets persist. In fall temperatures decline again, generally falling into the upper 40s to low 60s °F (9–16 °C) before winter cooling sets in.
Swimming is permitted at Deer Creek in appropriate areas during the warmer months, but it is seasonal and subject to park rules and staffing; many swimming opportunities are unguarded beach areas rather than supervised pools. The reservoir’s cold, deep water, sudden drop-offs, boat traffic, and variable currents from releases make caution important even when air temperatures are pleasant. Because water often stays colder than nearby air, brief exposure and layered wetsuits are common choices for longer swims; in winter the surface freezes in places and ice safety becomes a separate concern, so swimming is effectively restricted.