Little Tupper Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Little Tupper Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Little Tupper Lake today is 18.6°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 |
|---|---|---|---|
| SEP 13 | 19.3°C | 19.5°C | |
| SEP 14 | 18.4°C | 19.5°C | |
| SEP 15 | 19.2°C | 19.5°C | |
| SEP 16 | 18.5°C | 19.5°C | |
| SEP 17 | 18.5°C | 19.5°C | |
| SEP 18 | 18.1°C | 19.5°C | |
| SEP 19 | 18.6°C | 19.5°C | |
| SEP 20 | 19.0°C | 19.5°C | |
| SEP 21 | 19.5°C | 18.6°C | |
| SEP 22 | 19.5°C | 18.7°C | |
| SEP 23 | 19.5°C | 18.7°C | |
| SEP 24 | 19.5°C | 18.8°C | |
| SEP 25 | 19.5°C | 18.8°C | |
| SEP 26 | 19.5°C | 18.9°C | |
| SEP 27 | 19.5°C | 18.9°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 | 7°C | 12°C | 16°C |
| June | 12°C | 17°C | 20°C |
| July | 17°C | 24°C | 29°C |
| August | 19°C | 22°C | 25°C |
| September | 16°C | 20°C | 23°C |
| October | 9°C | 13°C | 17°C |
| November | 4°C | 9°C | 13°C |
| December | 0°C | 4°C | 7°C |
Little Tupper Lake: Water Temperature by Location
Little Tupper Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
Location & Local Information
Little Tupper Lake, in the Adirondack region of New York, is a relatively cold, clear inland lake whose surface temperatures vary significantly by season. During winter the lake typically reaches near-freezing conditions with surface temperatures around 32°F (0°C) under ice. In spring the water slowly warms, commonly ranging from about 40–55°F (4–13°C) as snowmelt and cooler air persist. Peak summer temperatures are usually reached in July and August, when surface readings commonly sit between 60–72°F (16–22°C) in the warmest bays and shallower areas. By autumn the lake cools again, with values often falling to roughly 45–60°F (7–16°C) as nights chill and stratification breaks down.
Swimming in Little Tupper Lake is generally permitted, as it is a public wilderness waterbody without standard municipal beach facilities; however there are no lifeguards and access can be remote. The lake’s water quality is typically good, but the relatively cold temperatures—even in summer—mean swimmers should be cautious about cold-water shock and abbreviated exposure times. Those planning to enter the water should choose sheltered spots, be mindful of underwater hazards and boat traffic, and dress or time swims appropriately for the cool conditions to reduce hypothermia risk.