Kensico Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Kensico Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Kensico Reservoir today is 21.4°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 |
|---|---|---|---|
| SEP 14 | 22.0°C | 23.0°C | |
| SEP 15 | 22.0°C | 23.0°C | |
| SEP 16 | 22.7°C | 23.0°C | |
| SEP 17 | 20.3°C | 23.0°C | |
| SEP 18 | 20.5°C | 23.0°C | |
| SEP 19 | 20.6°C | 23.0°C | |
| SEP 20 | 21.9°C | 23.0°C | |
| SEP 21 | 21.4°C | 23.0°C | |
| SEP 22 | 23.0°C | 21.5°C | |
| SEP 23 | 23.0°C | 21.6°C | |
| SEP 24 | 23.0°C | 21.6°C | |
| SEP 25 | 23.0°C | 21.7°C | |
| SEP 26 | 23.0°C | 21.8°C | |
| SEP 27 | 23.0°C | 21.9°C | |
| SEP 28 | 23.0°C | 22.0°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 | 0°C | 1°C | 4°C |
| March | 0°C | 3°C | 7°C |
| April | 4°C | 10°C | 15°C |
| May | 11°C | 15°C | 20°C |
| June | 17°C | 21°C | 25°C |
| July | 22°C | 26°C | 30°C |
| August | 23°C | 26°C | 29°C |
| September | 19°C | 23°C | 27°C |
| October | 13°C | 17°C | 20°C |
| November | 6°C | 10°C | 13°C |
| December | 1°C | 4°C | 6°C |
Kensico Reservoir: Water Temperature by Location
Kensico Reservoir: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Kensico Reservoir, located in Westchester County, typically shows the seasonal temperature patterns of a temperate, deep drinking-water impoundment. Surface temperatures in winter often hover close to freezing, roughly 33–40°F (1–4°C). In spring the surface warms into the 40–60°F range (4–16°C) as inflows and air temperatures rise. During summer the sun can lift surface readings into the mid-60s to mid-70s Fahrenheit, approximately 65–75°F (18–24°C), though deeper water remains much cooler; below the thermocline lake temperatures commonly stay in the 40–50°F band (4–10°C). In autumn the surface cools again into about 50–60°F (10–16°C) before mixing returns the reservoir to near-winter conditions.
Swimming in Kensico Reservoir is not allowed because it is part of New York City’s municipal water supply and subject to rules designed to protect water quality and public safety. Prohibitions are intended to minimize contamination risks, protect treatment processes, and avoid unsafe conditions such as cold, deep water and underwater currents. While the reservoir’s summer surface temperatures might appear suitable for recreational swimming, regulatory restrictions and the potential for cold, hypothermic conditions at depth mean that approved public swimming takes place at managed pools and designated recreational facilities rather than in the reservoir itself.