Lake George — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake George, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake George today is 21.6°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 | 19.4°C | 21.5°C | |
| JUN 4 | 19.5°C | 21.5°C | |
| JUN 5 | 19.5°C | 21.5°C | |
| JUN 6 | 19.8°C | 21.5°C | |
| JUN 7 | 20.6°C | 21.5°C | |
| JUN 8 | 21.3°C | 21.5°C | |
| JUN 10 | 21.6°C | 21.5°C | |
| JUN 11 | 21.5°C | 21.6°C | |
| JUN 12 | 21.5°C | 21.6°C | |
| JUN 13 | 21.5°C | 21.6°C | |
| JUN 14 | 21.5°C | 21.6°C | |
| JUN 15 | 21.5°C | 21.6°C | |
| JUN 16 | 21.5°C | 21.6°C | |
| JUN 17 | 21.5°C | 21.6°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 | 6°C |
| February | 0°C | 3°C | 5°C |
| March | 0°C | 3°C | 5°C |
| April | 3°C | 9°C | 15°C |
| May | 10°C | 16°C | 22°C |
| June | 16°C | 22°C | 27°C |
| July | 21°C | 24°C | 27°C |
| August | 20°C | 24°C | 28°C |
| September | 18°C | 21°C | 23°C |
| October | 6°C | 13°C | 19°C |
| November | 3°C | 7°C | 11°C |
| December | 1°C | 4°C | 7°C |
Lake George: Water Temperature by Location
Lake George: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Lake George in Minnesota experiences a typical northern-lake thermal pattern. During winter the surface is at or just below freezing, around 32°F (0°C) where ice often forms, and under-ice water can be in the low 30s °F (0–2 °C). Spring brings a pronounced warming from roughly 35–55°F (2–13°C) as ice melts and the lake mixes. Peak summer surface temperatures commonly reach the 70s to low 80s °F (21–28 °C) on warm days; shallow bays may warm toward the mid-80s °F (29–30 °C) while deeper areas remain several degrees cooler. In autumn the lake cools again, typically falling through the 60s and 50s °F (15–10 °C) into the 40s °F (4–9 °C) before ice forms.
Swimming at Lake George is generally permitted when conditions are safe and the surface is ice-free. Recreational swimming is most comfortable in summer when surface temperatures are in the 70–80s °F (21–28 °C). Users should avoid swimming during ice-on periods, during spring thaw when cold water and weak ice are hazardous, or when advisories for bacteria or harmful algal blooms are posted. As with any lake, shoreline access, presence of lifeguards, and local rules vary, so swimmers should follow posted guidance and exercise standard water-safety precautions.