Lake Attitash — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Attitash, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Attitash today is 20.8°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 3 | 17.4°C | 19.4°C | |
| JUN 4 | 17.6°C | 19.4°C | |
| JUN 5 | 17.9°C | 19.4°C | |
| JUN 6 | 19.3°C | 19.4°C | |
| JUN 7 | 19.6°C | 19.4°C | |
| JUN 8 | 19.7°C | 19.4°C | |
| JUN 11 | 19.4°C | 20.7°C | |
| JUN 12 | 19.4°C | 20.7°C | |
| JUN 13 | 19.4°C | 20.6°C | |
| JUN 14 | 19.4°C | 20.5°C | |
| JUN 15 | 19.4°C | 20.5°C | |
| JUN 16 | 19.4°C | 20.4°C | |
| JUN 17 | 19.4°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 | 4°C | 8°C |
| February | 1°C | 7°C | 13°C |
| March | 0°C | 9°C | 17°C |
| April | 7°C | 13°C | 19°C |
| May | 11°C | 16°C | 21°C |
| June | 17°C | 19°C | 22°C |
| July | 20°C | 27°C | 33°C |
| August | 22°C | 26°C | 29°C |
| September | 20°C | 23°C | 26°C |
| October | 14°C | 17°C | 20°C |
| November | 6°C | 10°C | 14°C |
| December | 3°C | 7°C | 10°C |
Lake Attitash: Water Temperature by Location
Lake Attitash: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Lake Attitash in northeastern Massachusetts follows the typical seasonal pattern of shallow New England lakes. In spring the surface water generally runs cool, roughly 40–60°F (4–16°C) as the lake stratifies and warms. By early to mid‑summer temperatures commonly rise into the upper 60s to mid‑70s °F (20–24°C) and can reach the upper 70s to low 80s °F on hot, calm days (about 25–28°C). In autumn the surface cools back toward 50–65°F (10–18°C) before winter brings readings near freezing; portions of the lake can be at or just above 32–39°F (0–4°C) and may ice over in sustained cold.
Swimming is generally allowed at Lake Attitash during the warmer months, but typically only in designated areas or from private shorelines where local authorities or property owners permit it. Local officials and conservation groups monitor water quality and will close swimming when tests show elevated bacteria or harmful algal blooms (cyanobacteria). Other considerations that affect when and where people swim include boat traffic, the presence of lifeguards, and posted safety rules. Visitors should follow posted notices and up‑to‑date local advisories to ensure conditions are safe before entering the water.