Lake Bomoseen — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Bomoseen, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Bomoseen today is 12.8°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 | 14.4°C | 14.0°C | |
| OCT 6 | 14.1°C | 14.0°C | |
| OCT 7 | 14.8°C | 14.0°C | |
| OCT 8 | 13.9°C | 14.0°C | |
| OCT 9 | 13.6°C | 14.0°C | |
| OCT 10 | 14.2°C | 14.0°C | |
| OCT 11 | 14.3°C | 14.0°C | |
| OCT 12 | 12.8°C | 14.0°C | |
| OCT 13 | 14.0°C | 12.9°C | |
| OCT 14 | 14.0°C | 12.9°C | |
| OCT 15 | 14.0°C | 13.0°C | |
| OCT 16 | 14.0°C | 13.0°C | |
| OCT 17 | 14.0°C | 13.1°C | |
| OCT 18 | 14.0°C | 13.2°C | |
| OCT 19 | 14.0°C | 13.2°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 | 1°C | 7°C | 12°C |
| May | 9°C | 13°C | 16°C |
| June | 14°C | 18°C | 22°C |
| July | 19°C | 24°C | 29°C |
| August | 20°C | 23°C | 26°C |
| September | 15°C | 19°C | 24°C |
| October | 11°C | 14°C | 17°C |
| November | 4°C | 9°C | 13°C |
| December | 0°C | 4°C | 7°C |
Lake Bomoseen: Water Temperature by Location
Lake Bomoseen: Weather Forecast
October 13
October 14
October 15
October 16
October 17
Location & Local Information
Lake Bomoseen’s surface temperatures change markedly through the year. In spring (April–May) water typically runs cool, roughly 40–60°F (4–16°C) as the lake stratifies. By summer (June–August) surface readings commonly rise to about 68–78°F (20–26°C) in the warmest stretches and shallow bays, while deeper water stays noticeably cooler. Early fall (September–October) sees a gradual decline, often 50–70°F (10–21°C), before the lake cools toward freezing. In winter the surface is frequently at or below 32°F (0°C) where ice forms; under the ice the water remains just above freezing. These averages can vary with weather, wind, and localized shallow areas that warm more quickly.
Swimming is allowed in Lake Bomoseen, particularly at designated public beaches and day-use areas maintained for recreation, because summer surface temperatures are often warm enough for comfortable bathing and local authorities monitor conditions. Recreational swimming is common in July and August when surface temperatures peak, but swimmers should remember that deeper water stays colder and sudden immersion can be a shock. Periodic water-quality advisories or algal bloom notices are issued when necessary, so swimmers should heed posted guidance and use only designated swimming areas for safety.