Sayreville — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Sayreville, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Sayreville today is 21.3°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 2 | 21.4°C | 18.5°C | |
| JUN 3 | 18.4°C | 18.5°C | |
| JUN 4 | 19.9°C | 18.5°C | |
| JUN 5 | 20.3°C | 18.5°C | |
| JUN 6 | 20.6°C | 18.5°C | |
| JUN 7 | 21.6°C | 18.5°C | |
| JUN 8 | 21.6°C | 18.5°C | |
| JUN 10 | 18.5°C | 21.2°C | |
| JUN 11 | 18.5°C | 21.0°C | |
| JUN 12 | 18.5°C | 20.9°C | |
| JUN 13 | 18.5°C | 20.7°C | |
| JUN 14 | 18.5°C | 20.6°C | |
| JUN 15 | 18.5°C | 20.5°C | |
| JUN 16 | 18.5°C | 20.3°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 | 0°C | 5°C | 9°C |
| February | 0°C | 5°C | 9°C |
| March | 1°C | 6°C | 11°C |
| April | 5°C | 12°C | 18°C |
| May | 8°C | 15°C | 22°C |
| June | 14°C | 19°C | 22°C |
| July | 17°C | 22°C | 26°C |
| August | 17°C | 23°C | 29°C |
| September | 11°C | 17°C | 23°C |
| October | 8°C | 15°C | 21°C |
| November | 3°C | 8°C | 16°C |
| December | 1°C | 5°C | 8°C |
Sayreville: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Sayreville, New Jersey, is located along the Raritan River, which is a significant waterway in the region. The water temperature of the Raritan River, particularly near Sayreville, varies throughout the year. During the warmer summer months, the river's temperature can range from 70°F to 80°F (21°C to 27°C), providing a somewhat inviting atmosphere for outdoor water activities. However, while the temperature may seem warm enough for swimming, the river is not generally considered a safe or suitable place for recreational swimming.
The Raritan River has strong currents and varying water quality, which makes it hazardous for swimming. In addition, areas near Sayreville often experience industrial and boat traffic, further increasing risks to swimmers. The water quality can fluctuate, especially after rainfall, with potential contaminants from urban runoff and nearby industrial sites. These factors make it less desirable for swimming, and it is often recommended to explore other safe alternatives for aquatic activities.
For those in Sayreville seeking a safer, cleaner place to swim, there are local pools and nearby designated swimming areas that are maintained for recreational use. These alternatives provide more controlled conditions for swimmers and are generally much safer than the natural river environment.