Ballston Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Ballston Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Ballston Lake today is 19.3°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 3 | 16.3°C | 18.5°C | |
| JUN 4 | 16.5°C | 18.5°C | |
| JUN 5 | 17.4°C | 18.5°C | |
| JUN 6 | 17.7°C | 18.5°C | |
| JUN 7 | 18.7°C | 18.5°C | |
| JUN 8 | 18.9°C | 18.5°C | |
| JUN 11 | 18.5°C | 19.3°C | |
| JUN 12 | 18.5°C | 19.2°C | |
| JUN 13 | 18.5°C | 19.2°C | |
| JUN 14 | 18.5°C | 19.1°C | |
| JUN 15 | 18.5°C | 19.1°C | |
| JUN 16 | 18.5°C | 19.1°C | |
| JUN 17 | 18.5°C | 19.0°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 | 2°C | 4°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 4°C | 9°C | 14°C |
| May | 11°C | 15°C | 18°C |
| June | 14°C | 19°C | 22°C |
| July | 20°C | 25°C | 29°C |
| August | 20°C | 23°C | 25°C |
| September | 17°C | 20°C | 22°C |
| October | 12°C | 15°C | 18°C |
| November | 6°C | 10°C | 13°C |
| December | 1°C | 6°C | 9°C |
Ballston Lake: Water Temperature by Location
Ballston Lake: Weather Forecast
June 9
June 10
June 11
June 12
June 13
Location & Local Information
Ballston Lake in Upstate New York follows a typical temperate-lake seasonal cycle. In winter the surface commonly approaches freezing, roughly 32–40°F (0–4°C) beneath ice or near-ice cover. During spring the water warms gradually to about 40–60°F (4–16°C) as snowmelt and spring rains mix the water column. By summer, when people most often swim, surface temperatures generally reach about 68–78°F (20–26°C), with occasional warm spells pushing readings into the low 80s (around 27°C). Early fall sees cooling back into the mid-50s to upper-60s°F range (13–20°C) as stratification breaks down.
Swimming in Ballston Lake is a common summertime activity, but whether it is formally “allowed” depends on location and local rules. There are public access points and residents who swim from shore or boats, but many areas lack lifeguards and some shorelines are private; posted signs and municipal regulations should be followed. Factors that influence whether it’s advisable to swim include seasonal water quality (occasional algal blooms), aquatic vegetation, boat traffic, and the risk of cold water shock outside peak summer temperatures. Always check current local advisories, obey signage, and take standard safety precautions when entering the water.