Försjön — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Försjön, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Försjön today is 14.8°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 |
|---|---|---|---|
| JUN 3 | 14.6°C | 18.0°C | |
| JUN 4 | 14.6°C | 18.0°C | |
| JUN 5 | 15.1°C | 18.0°C | |
| JUN 6 | 15.1°C | 18.0°C | |
| JUN 7 | 15.1°C | 18.0°C | |
| JUN 8 | 15.1°C | 18.0°C | |
| JUN 11 | 18.0°C | 15.0°C | |
| JUN 12 | 18.0°C | 15.1°C | |
| JUN 13 | 18.0°C | 15.3°C | |
| JUN 14 | 18.0°C | 15.4°C | |
| JUN 15 | 18.0°C | 15.6°C | |
| JUN 16 | 18.0°C | 15.8°C | |
| JUN 17 | 18.0°C | 15.9°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 | 0°C | 4°C |
| February | 0°C | 0°C | 4°C |
| March | 0°C | 3°C | 6°C |
| April | 3°C | 7°C | 10°C |
| May | 8°C | 13°C | 19°C |
| June | 12°C | 18°C | 23°C |
| July | 14°C | 20°C | 25°C |
| August | 13°C | 19°C | 24°C |
| September | 9°C | 14°C | 20°C |
| October | 5°C | 9°C | 12°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 4°C | 7°C |
Försjön: Water Temperature by Location
Försjön: Weather Forecast
June 9
June 10
June 11
June 12
June 13
June 14
Location & Local Information
The lake known locally as Försjön in Jönköping County typically follows the seasonal temperature patterns of small Swedish lakes. In winter the surface is usually close to freezing, around 0–4 °C (32–39 °F) and often ice-covered for periods. Spring sees a gradual rise, roughly 4–10 °C (39–50 °F), while summer brings the warmest conditions: surface temperatures commonly range from about 18–24 °C (64–75 °F) and in shallow, sun‑exposed bays can briefly reach 25–26 °C (77–79 °F). During autumn the water cools again, most often sitting between 6–12 °C (43–54 °F). Local variation in depth, inflow and weather means temperatures can change quickly from one year to the next.
Swimming at Försjön is generally permitted under Swedish public access traditions, and many people bathe in lakes during the warmer months. Whether there are designated bathing areas, lifeguards or municipal water‑quality monitoring may vary, so swimmers should heed local signs and guidance. Important considerations include colder temperatures outside summer that increase the risk of cold shock and hypothermia, and the hazards of ice in winter unless officially deemed safe. In short, summer swimming is the most comfortable and common, while other seasons require caution and local information.