Forssjösjön — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Forssjösjön, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Forssjösjön today is 19.2°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 23 | 16.2°C | 19.0°C | |
| JUN 24 | 16.2°C | 19.0°C | |
| JUN 25 | 16.2°C | 19.0°C | |
| JUN 26 | 17.7°C | 19.0°C | |
| JUN 27 | 17.7°C | 19.0°C | |
| JUN 28 | 17.7°C | 19.0°C | |
| JUN 29 | 17.7°C | 19.0°C | |
| JUN 30 | 19.2°C | 19.0°C | |
| JUL 1 | 21.0°C | 19.3°C | |
| JUL 2 | 21.0°C | 19.4°C | |
| JUL 3 | 21.0°C | 19.5°C | |
| JUL 4 | 21.0°C | 19.6°C | |
| JUL 5 | 21.0°C | 19.7°C | |
| JUL 6 | 21.0°C | 19.7°C | |
| JUL 7 | 21.0°C | 19.8°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 | 6°C |
| March | 0°C | 4°C | 7°C |
| April | 3°C | 8°C | 11°C |
| May | 8°C | 13°C | 19°C |
| June | 13°C | 19°C | 24°C |
| July | 16°C | 21°C | 26°C |
| August | 14°C | 20°C | 25°C |
| September | 11°C | 17°C | 22°C |
| October | 6°C | 10°C | 13°C |
| November | 3°C | 7°C | 10°C |
| December | 0°C | 4°C | 7°C |
Forssjösjön: Water Temperature by Location
Forssjösjön: Weather Forecast
July 1
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July 3
July 4
Location & Local Information
Forssjösjön (in Swedish: Forssjösjön) is a typical Södermanland lake whose surface temperatures follow the region’s seasonal rhythm. In spring, after ice break-up, surface readings are often in the range of about 0–10 °C (32–50 °F) as the water slowly warms. Summer brings the warmest conditions and on sunny spells shallow bays can reach roughly 16–24 °C (61–75 °F), although deeper parts remain cooler. During autumn the water cools to approximately 6–15 °C (43–59 °F) as daylight shortens and mixing increases. In winter the lake commonly approaches freezing and may form ice cover; temperatures near or below 0 °C (32 °F) are typical until thaw.
Swimming in and around Forssjösjön is generally possible and commonly practiced during the warmer months because Swedish public waters are used for recreation and the lake does not have a widespread formal restriction. Access and bathing should respect private shoreline rights and any local signage or advisories. As with all natural lakes, water temperature varies with depth and weather, and swimmers should be aware of cold-water shock early or late in the season and of occasional water-quality issues such as algal blooms; checking local conditions before entering is recommended.