Lake Willoughby — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Willoughby, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Willoughby today is 21.7°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 |
|---|---|---|---|
| AUG 4 | 21.3°C | 21.0°C | |
| AUG 5 | 21.4°C | 21.0°C | |
| AUG 6 | 21.5°C | 21.0°C | |
| AUG 7 | 21.3°C | 21.0°C | |
| AUG 8 | 21.6°C | 21.0°C | |
| AUG 9 | 21.6°C | 21.0°C | |
| AUG 10 | 21.7°C | 21.0°C | |
| AUG 11 | 21.7°C | 21.0°C | |
| AUG 12 | 21.0°C | 21.7°C | |
| AUG 13 | 21.0°C | 21.6°C | |
| AUG 14 | 21.0°C | 21.6°C | |
| AUG 15 | 21.0°C | 21.6°C | |
| AUG 16 | 21.0°C | 21.5°C | |
| AUG 17 | 21.0°C | 21.5°C | |
| AUG 18 | 21.0°C | 21.5°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 | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 2°C | 4°C |
| April | 0°C | 4°C | 8°C |
| May | 3°C | 8°C | 14°C |
| June | 10°C | 14°C | 19°C |
| July | 16°C | 22°C | 27°C |
| August | 18°C | 21°C | 24°C |
| September | 16°C | 21°C | 25°C |
| October | 8°C | 12°C | 16°C |
| November | 2°C | 6°C | 10°C |
| December | 1°C | 4°C | 6°C |
Lake Willoughby: Water Temperature by Location
Lake Willoughby: Weather Forecast
August 12
August 13
August 14
August 15
August 16
Location & Local Information
Lake Willoughby is a deep, glacially carved lake whose clarity and depth keep its water relatively cool year-round. Seasonal surface temperatures typically run roughly 35–55°F (2–13°C) in spring, about 60–72°F (15–22°C) during the warmest summer months, and then decline to around 50–65°F (10–18°C) in early fall before falling again to near freezing, about 32–40°F (0–4°C), through winter when ice cover is common. Because the lake is very deep, temperatures drop quickly with depth: below the surface layer the water remains much colder even in summer, so the warm band for comfortable swimming is usually shallow and limited to the sunniest, calm days.
Swimming is allowed and people do enter the lake, especially in summer when surface warmth is at its peak, but the conditions require caution. The combination of cold water, steep drop-offs, and unpredictable currents can lead to cold shock and rapid loss of body heat, so swimmers should be conservative about distance from shore, be aware that warm surface conditions do not extend far downward, and use flotation or a wetsuit if venturing farther out. In winter the lake is often frozen and ice swimming poses significant hazards, so it is generally not advisable except for experienced, well-prepared individuals.