Diascund Creek Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Diascund Creek Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Diascund Creek Reservoir today is 29.6°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 |
|---|---|---|---|
| JUL 15 | 28.4°C | 28.7°C | |
| JUL 16 | 28.3°C | 28.7°C | |
| JUL 17 | 28.3°C | 28.7°C | |
| JUL 18 | 28.4°C | 28.7°C | |
| JUL 19 | 28.5°C | 28.7°C | |
| JUL 20 | 28.4°C | 28.7°C | |
| JUL 21 | 28.8°C | 28.7°C | |
| JUL 23 | 28.7°C | 29.6°C | |
| JUL 24 | 28.7°C | 29.5°C | |
| JUL 25 | 28.7°C | 29.5°C | |
| JUL 26 | 28.7°C | 29.4°C | |
| JUL 27 | 28.7°C | 29.4°C | |
| JUL 28 | 28.7°C | 29.3°C | |
| JUL 29 | 28.7°C | 29.3°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 | 2°C | 6°C | 9°C |
| February | 1°C | 3°C | 6°C |
| March | 5°C | 10°C | 14°C |
| April | 3°C | 13°C | 23°C |
| May | 14°C | 20°C | 26°C |
| June | 18°C | 22°C | 27°C |
| July | 25°C | 29°C | 32°C |
| August | 23°C | 27°C | 31°C |
| September | 22°C | 26°C | 29°C |
| October | 16°C | 19°C | 22°C |
| November | 6°C | 11°C | 16°C |
| December | 3°C | 6°C | 10°C |
Diascund Creek Reservoir: Water Temperature by Location
Diascund Creek Reservoir: Weather Forecast
July 22
July 23
July 24
July 25
July 26
Location & Local Information
Diascund Creek Reservoir, a managed drinking-water impoundment in eastern Virginia, exhibits typical seasonal surface-temperature swings for Mid-Atlantic lakes. In winter the surface often cools to roughly 34–45°F (1–7°C). Spring brings a steady warming, with surface readings commonly in the 45–65°F (7–18°C) band as air temperatures rise and stratification begins. Summer surface temperatures can reach the warmest levels, frequently in the 70–82°F (21–28°C) range at the warmest, shallow areas. During fall the reservoir generally cools back into the 50–68°F (10–20°C) window as mixing increases and daylight declines. These figures are approximate and vary with depth, weather patterns, and year-to-year conditions.
Swimming at Diascund Creek Reservoir is not permitted because the lake functions primarily as a municipal water supply and is managed to protect water quality and public health. Restrictions are intended to reduce contamination risk, limit shoreline impacts, and address safety concerns—cold, deep water and submerged hazards can pose drowning risks even when air temperatures are warm. Recreational use of the reservoir is therefore regulated, and visitors should follow local waterworks rules and posted signage rather than assume open swimming is allowed.