Johns Pond — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Johns Pond, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Johns Pond today is 28.3°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 |
|---|---|---|---|
| AUG 4 | 26.6°C | 26.0°C | |
| AUG 5 | 26.6°C | 26.0°C | |
| AUG 6 | 26.7°C | 26.0°C | |
| AUG 7 | 26.8°C | 26.0°C | |
| AUG 8 | 26.8°C | 26.0°C | |
| AUG 9 | 27.9°C | 26.0°C | |
| AUG 10 | 28.4°C | 26.0°C | |
| AUG 11 | 28.4°C | 26.0°C | |
| AUG 12 | 26.0°C | 28.2°C | |
| AUG 13 | 26.0°C | 28.1°C | |
| AUG 14 | 26.0°C | 28.0°C | |
| AUG 15 | 26.0°C | 27.8°C | |
| AUG 16 | 26.0°C | 27.7°C | |
| AUG 17 | 26.0°C | 27.6°C | |
| AUG 18 | 26.0°C | 27.5°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 | 2°C | 5°C |
| April | 1°C | 6°C | 10°C |
| May | 9°C | 13°C | 18°C |
| June | 14°C | 18°C | 21°C |
| July | 20°C | 25°C | 30°C |
| August | 23°C | 26°C | 29°C |
| September | 21°C | 25°C | 28°C |
| October | 15°C | 18°C | 21°C |
| November | 8°C | 13°C | 16°C |
| December | 2°C | 6°C | 9°C |
Johns Pond: Water Temperature by Location
Johns Pond: Weather Forecast
August 12
August 13
August 14
August 15
August 16
Location & Local Information
Johns Pond in Massachusetts typically follows the seasonal temperature patterns common to shallow New England ponds. In spring the surface usually rises from near freezing after ice-out to roughly 35–60°F (2–16°C) as air temperatures warm. Summer surface temperatures commonly range from about 68–80°F (20–27°C), with the warmest weeks occasionally pushing surfaces toward the upper end; deeper water can remain several degrees cooler, often 5–10°F (3–6°C) lower. In autumn the pond cools again to roughly 45–65°F (7–18°C) before ice forms, and during winter the surface will be at or below freezing where ice persists, generally around 32–39°F (0–4°C) under ice-covered conditions.
Swimming at Johns Pond is generally permitted where public access, beaches or designated swimming areas exist and where local authorities consider water quality and safety acceptable. Whether swimming is allowed depends on local regulations, property ownership and periodic water-quality issues such as algal blooms, which are more likely during warm summer conditions. There may be no lifeguard on duty, and water temperature can change with depth and season, so swimmers should heed posted signs, town guidance and common-sense safety measures before entering the water.