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 13.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 |
|---|---|---|---|
| OCT 5 | 15.3°C | 12.5°C | |
| OCT 6 | 15.0°C | 12.5°C | |
| OCT 7 | 13.8°C | 12.5°C | |
| OCT 8 | 14.3°C | 12.5°C | |
| OCT 9 | 14.1°C | 12.5°C | |
| OCT 10 | 12.5°C | 12.5°C | |
| OCT 11 | 12.8°C | 12.5°C | |
| OCT 12 | 13.2°C | 12.5°C | |
| OCT 13 | 12.5°C | 13.2°C | |
| OCT 14 | 12.5°C | 13.1°C | |
| OCT 15 | 12.5°C | 13.1°C | |
| OCT 16 | 12.5°C | 13.1°C | |
| OCT 17 | 12.5°C | 13.0°C | |
| OCT 18 | 12.5°C | 13.0°C | |
| OCT 19 | 12.5°C | 13.0°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 | 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 | 25°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
October 13
October 14
October 15
October 16
October 17
October 18
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.