Cobbosseecontee Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Cobbosseecontee Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Cobbosseecontee Lake today is 19°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 6 | 13.4°C | 16.0°C | |
| JUN 7 | 18.2°C | 16.0°C | |
| JUN 8 | 18.2°C | 16.0°C | |
| JUN 10 | 18.7°C | 16.0°C | |
| JUN 11 | 18.8°C | 16.0°C | |
| JUN 12 | 18.8°C | 16.0°C | |
| JUN 13 | 19.0°C | 16.0°C | |
| JUN 14 | 16.0°C | 18.9°C | |
| JUN 15 | 16.0°C | 18.7°C | |
| JUN 16 | 16.0°C | 18.6°C | |
| JUN 17 | 16.0°C | 18.4°C | |
| JUN 18 | 16.0°C | 18.3°C | |
| JUN 19 | 16.0°C | 18.1°C | |
| JUN 20 | 16.0°C | 18.0°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 | 3°C | 5°C |
| February | 0°C | 3°C | 5°C |
| March | 0°C | 3°C | 5°C |
| April | 1°C | 4°C | 8°C |
| May | 7°C | 11°C | 15°C |
| June | 11°C | 16°C | 20°C |
| July | 20°C | 25°C | 29°C |
| August | 22°C | 25°C | 28°C |
| September | 20°C | 23°C | 26°C |
| October | 13°C | 17°C | 21°C |
| November | 4°C | 9°C | 14°C |
| December | 2°C | 5°C | 8°C |
Cobbosseecontee Lake: Water Temperature by Location
Cobbosseecontee Lake: Weather Forecast
June 14
June 15
June 16
June 17
Location & Local Information
Cobbosseecontee Lake in Maine exhibits the typical seasonal variability of a northern temperate lake. Surface water in spring often ranges from about 40–55°F (4–13°C) as the lake stratifies and warms. By early summer temperatures commonly rise to roughly 55–68°F (13–20°C), with midsummer surface readings frequently between 68–75°F (20–24°C) in sheltered, shallow areas and occasionally warmer in late heat spells. As autumn arrives the surface cools back toward 50–60°F (10–16°C) before dropping to near freezing under ice in winter, commonly around 32–39°F (0–4°C) beneath the cover. Temperatures vary with depth, location, wind, and recent weather, so deeper basins remain distinctly cooler than sunlit shallows.
Swimming on Cobbosseecontee is generally allowed and is a common recreational use during the warm months because summer surface temperatures are often comfortable for bathing. Public access points and private beaches provide places to enter the water, but conditions are not uniformly ideal: aquatic vegetation, boat traffic, sudden drop-offs, and occasional algal issues can affect safety and enjoyment, and lifeguards are not always present. In contrast, winter swimming is unsafe and impractical due to ice cover and near‑freezing water temperatures, so people avoid open-water swimming outside the warmer season.