Aspen Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Aspen Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Aspen Lake today is 15.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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 |
|---|---|---|---|
| SEP 14 | 16.0°C | 15.0°C | |
| SEP 15 | 16.0°C | 15.0°C | |
| SEP 16 | 15.9°C | 15.0°C | |
| SEP 17 | 15.6°C | 15.0°C | |
| SEP 18 | 15.4°C | 15.0°C | |
| SEP 19 | 15.4°C | 15.0°C | |
| SEP 20 | 15.2°C | 15.0°C | |
| SEP 22 | 15.0°C | 15.1°C | |
| SEP 23 | 15.0°C | 15.1°C | |
| SEP 24 | 15.0°C | 15.1°C | |
| SEP 25 | 15.0°C | 15.1°C | |
| SEP 26 | 15.0°C | 15.1°C | |
| SEP 27 | 15.0°C | 15.1°C | |
| SEP 28 | 15.0°C | 15.1°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 | 5°C |
| February | 0°C | 2°C | 5°C |
| March | 0°C | 4°C | 7°C |
| April | 4°C | 8°C | 11°C |
| May | 9°C | 14°C | 20°C |
| June | 13°C | 19°C | 24°C |
| July | 16°C | 21°C | 26°C |
| August | 14°C | 20°C | 25°C |
| September | 10°C | 15°C | 21°C |
| October | 6°C | 10°C | 13°C |
| November | 3°C | 7°C | 10°C |
| December | 1°C | 5°C | 8°C |
Aspen Lake: Water Temperature by Location
Aspen Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Aspen, a lake in Västra Götaland County, typically follows the seasonal temperature patterns common to inland Swedish lakes. In spring (April–May) surface temperatures are often low, around 4–12 °C (39–54 °F), rising through early summer to roughly 12–18 °C (54–64 °F) in June. Peak summer months (July–August) usually bring the warmest surface water, commonly 18–24 °C (64–75 °F) and occasionally up to about 25 °C (77 °F) during very warm spells. As autumn arrives the water cools back to roughly 12–16 °C (54–61 °F) in September, and in winter the surface may fall to around 0 °C (32 °F) with ice cover possible depending on the year. Temperatures vary with depth, wind and sunlight, so surface readings can change quickly from day to day.
Swimming in Aspen is generally possible and commonly practiced in summer when surface temperatures are comfortable for bathing. There are no universal bans on entering natural lakes in Sweden, but access to particular shorelines can be limited by private land, posted restrictions, or local regulations, and water quality or safety considerations may lead to temporary advisories. Cold spring or autumn waters pose a risk of cold shock and lower water temperatures at depth, so swimmers should take usual precautions, be aware of conditions and follow any local signs or guidance.