Øvresetertjern Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Øvresetertjern Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Øvresetertjern Lake today is 11.4°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit 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 | 12.0°C | 15.0°C | |
| SEP 15 | 12.3°C | 15.0°C | |
| SEP 16 | 12.1°C | 15.0°C | |
| SEP 17 | 11.9°C | 15.0°C | |
| SEP 18 | 11.7°C | 15.0°C | |
| SEP 19 | 12.0°C | 15.0°C | |
| SEP 20 | 11.6°C | 15.0°C | |
| SEP 21 | 11.4°C | 15.0°C | |
| SEP 22 | 15.0°C | 11.6°C | |
| SEP 23 | 15.0°C | 11.8°C | |
| SEP 24 | 15.0°C | 11.9°C | |
| SEP 25 | 15.0°C | 12.1°C | |
| SEP 26 | 15.0°C | 12.3°C | |
| SEP 27 | 15.0°C | 12.5°C | |
| SEP 28 | 15.0°C | 12.7°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 | 2°C | 5°C |
| April | 0°C | 5°C | 9°C |
| May | 5°C | 10°C | 15°C |
| June | 8°C | 15°C | 22°C |
| July | 14°C | 20°C | 25°C |
| August | 14°C | 20°C | 25°C |
| September | 10°C | 15°C | 21°C |
| October | 5°C | 9°C | 12°C |
| November | 1°C | 5°C | 8°C |
| December | 0°C | 2°C | 5°C |
Øvresetertjern Lake: Water Temperature by Location
Øvresetertjern Lake: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Øvresetertjern is a small forest lake in Oslo county and experiences the same seasonal patterns as many inland Norwegian lakes. In winter the surface usually reaches around 0 °C (32 °F) and commonly forms ice from late autumn into early spring. Spring sees a steady rise, with water temperatures often in the range of 4–12 °C (39–54 °F) as snowmelt cools the lake. During summer the water typically warms to roughly 12–22 °C (54–72 °F), though in warm years the shallow areas can climb a few degrees higher. In autumn temperatures decline again toward 5–12 °C (41–54 °F) as cooling weather and shorter days reduce heat input.
Swimming at Øvresetertjern is generally permitted: Norway’s public right of access (allemannsretten) allows bathing in most natural waters, and there are no formal bathing restrictions in many forest lakes. That said, there are usually no lifeguards, facilities, or regular water-quality monitoring at small lakes, so visitors should judge conditions themselves. Cold-water shock early and late in the year and thin ice in shoulder seasons are the main hazards; during summer the lake is most comfortable for casual swimming. Those intending ice bathing or winter activities should take proper safety precautions and check local conditions before entering the water.