Osensjøen — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Osensjøen, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Osensjøen today is 9.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 47°F (8°C) to 50°F (10°C). This is still cool water, suitable only for experienced swimmers or those accustomed to cold water. Swimming in such conditions is possible, but not recommended for prolonged periods. Extra caution should be taken during extended exposure, as the cold water can cause heat loss and lead to hypothermia. For added comfort, special clothing can be used. 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 | 10.7°C | 14.0°C | |
| SEP 15 | 11.2°C | 14.0°C | |
| SEP 16 | 11.0°C | 14.0°C | |
| SEP 17 | 10.4°C | 14.0°C | |
| SEP 18 | 10.2°C | 14.0°C | |
| SEP 19 | 10.0°C | 14.0°C | |
| SEP 20 | 9.8°C | 14.0°C | |
| SEP 22 | 14.0°C | 10.0°C | |
| SEP 23 | 14.0°C | 10.2°C | |
| SEP 24 | 14.0°C | 10.4°C | |
| SEP 25 | 14.0°C | 10.6°C | |
| SEP 26 | 14.0°C | 10.9°C | |
| SEP 27 | 14.0°C | 11.1°C | |
| SEP 28 | 14.0°C | 11.3°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 | 2°C | 3°C |
| March | 0°C | 2°C | 3°C |
| April | 0°C | 2°C | 5°C |
| May | 3°C | 8°C | 13°C |
| June | 8°C | 13°C | 19°C |
| July | 12°C | 18°C | 23°C |
| August | 12°C | 18°C | 23°C |
| September | 9°C | 14°C | 20°C |
| October | 3°C | 7°C | 10°C |
| November | 0°C | 3°C | 6°C |
| December | 0°C | 0°C | 4°C |
Osensjøen: Water Temperature by Location
Osensjøen: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Osensjøen in Innlandet County typically shows marked seasonal variation in water temperature because of its inland location and modest depth. In winter the lake is often at or close to freezing, around 0–4 °C (32–39 °F), and can be ice-covered for periods depending on the winter severity. During spring the water remains cold as it thaws, commonly ranging from about 4–12 °C (39–54 °F) through May and June. Summer is when temperatures are highest; surface values in warm years and sheltered bays can reach roughly 15–22 °C (59–72 °F), although deeper or wind-exposed areas stay cooler. In autumn the lake cools again to about 6–12 °C (43–54 °F) before freezing resumes. Local weather, depth, and wind conditions cause considerable variation, with shallow bays warming faster and deeper parts staying chilly.
Swimming in Osensjøen is generally possible and commonly practised in the warmer months because of Norway’s public access traditions and accessible shoreline. There are no inherent legal prohibitions to swimming in most parts of the lake, but visitors should heed any local signs or private property boundaries. Safety considerations are important: water can be unexpectedly cold outside high summer, there are few lifeguards, and currents near inlets and outlets may be stronger. Cold-water shock and hypothermia risks mean cautious entry, appropriate supervision, and checking local conditions are advised before swimming.