Blue Mountain Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Blue Mountain Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Blue Mountain Lake today is 16.6°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 23 | 18.2°C | 16.0°C | |
| JUN 24 | 18.4°C | 16.0°C | |
| JUN 25 | 18.4°C | 16.0°C | |
| JUN 26 | 18.4°C | 16.0°C | |
| JUN 27 | 17.2°C | 16.0°C | |
| JUN 28 | 16.2°C | 16.0°C | |
| JUN 29 | 16.4°C | 16.0°C | |
| JUN 30 | 16.5°C | 16.0°C | |
| JUL 1 | 24.0°C | 17.0°C | |
| JUL 2 | 24.0°C | 17.3°C | |
| JUL 3 | 24.0°C | 17.7°C | |
| JUL 4 | 24.0°C | 18.1°C | |
| JUL 5 | 24.0°C | 18.5°C | |
| JUL 6 | 24.0°C | 18.8°C | |
| JUL 7 | 24.0°C | 19.2°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 | 4°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 1°C | 7°C | 12°C |
| May | 7°C | 12°C | 16°C |
| June | 11°C | 16°C | 20°C |
| July | 19°C | 24°C | 29°C |
| August | 20°C | 23°C | 25°C |
| September | 15°C | 19°C | 23°C |
| October | 9°C | 13°C | 17°C |
| November | 4°C | 9°C | 13°C |
| December | 1°C | 4°C | 7°C |
Blue Mountain Lake: Water Temperature by Location
Blue Mountain Lake: Weather Forecast
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July 5
Location & Local Information
Blue Mountain Lake, in New York’s Adirondacks, is a typical cold‑water, glacial lake whose surface temperatures vary widely through the year. In spring the water is brisk, commonly 34–50°F (1–10°C) as ice melts and runoff cools the basin. By mid to late summer surface readings more often fall in the 65–75°F range (18–24°C), and shallow bays can warm into the upper 70s (~25°C) on hot, calm days. Come autumn the surface cools again toward 40–55°F (4–13°C), and in winter the lake usually approaches freezing at about 32°F (0°C) with seasonal ice cover.
Swimming is generally possible and commonly practiced in the open‑water months because Blue Mountain Lake is public water; visitors swim from shore, docks and boats. However, local rules, posted advisories and conservation concerns can restrict access in places or times, and there are typically no permanent lifeguards. Cold water and sudden thermoclines make hypothermia and cold shock real risks outside peak summer warmth, so swimmers should heed signage, avoid isolated spots, wear flotation when appropriate, and check current conditions before entering.