Lower Saranac Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lower Saranac Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lower Saranac Lake today is 18°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 |
|---|---|---|---|
| SEP 13 | 18.3°C | 19.0°C | |
| SEP 14 | 17.7°C | 19.0°C | |
| SEP 15 | 18.6°C | 19.0°C | |
| SEP 16 | 18.1°C | 19.0°C | |
| SEP 17 | 18.1°C | 19.0°C | |
| SEP 18 | 17.9°C | 19.0°C | |
| SEP 19 | 18.4°C | 19.0°C | |
| SEP 20 | 18.8°C | 19.0°C | |
| SEP 21 | 19.0°C | 18.1°C | |
| SEP 22 | 19.0°C | 18.1°C | |
| SEP 23 | 19.0°C | 18.2°C | |
| SEP 24 | 19.0°C | 18.2°C | |
| SEP 25 | 19.0°C | 18.3°C | |
| SEP 26 | 19.0°C | 18.3°C | |
| SEP 27 | 19.0°C | 18.4°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 | 0°C | 6°C | 12°C |
| May | 6°C | 11°C | 16°C |
| June | 12°C | 16°C | 20°C |
| July | 20°C | 25°C | 29°C |
| August | 20°C | 23°C | 25°C |
| September | 16°C | 19°C | 22°C |
| October | 11°C | 14°C | 17°C |
| November | 3°C | 8°C | 13°C |
| December | 0°C | 4°C | 7°C |
Lower Saranac Lake: Water Temperature by Location
Lower Saranac Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Lower Saranac Lake, in the Adirondacks of northern New York, is a clear, glacially formed body of water whose surface temperatures fluctuate widely with the seasons. In spring (April–May) surface readings commonly run from about 40–60°F (4–16°C) as the lake thaws and warms. Peak summer surface temperatures in June through August typically reach roughly 60–75°F (15–24°C), although warm spells can push shallows a bit higher. By fall (September–October) the surface cools back toward 45–60°F (7–16°C) as the lake begins to overturn, and in winter the surface freezes and water under the ice remains near freezing, around 32°F (0°C). Because the lake stratifies in summer, deeper water stays markedly colder than surface measurements.
Swimming in Lower Saranac Lake is generally allowed and is a common recreational activity during the warmer months; the lake has public access points, campsites and shorelines used for bathing. That said, swimmers should be aware of several factors: surface warmth can be deceptive, colder water at depth and sudden drop-offs present risks, most access areas do not have lifeguards, and boat traffic can be present in popular sections. In winter the frozen surface makes open-water swimming inadvisable except for organized, safety‑prepared ice swims. Overall, summer offers the best and safest opportunities for swimming when surface temperatures are highest.