Slidrefjorden — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Slidrefjorden, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Slidrefjorden today is 5.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
❌ As of today, the minimum water temperature ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold. 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 |
|---|---|---|---|
| OCT 4 | 6.1°C | 8.0°C | |
| OCT 5 | 6.0°C | 8.0°C | |
| OCT 6 | 5.6°C | 8.0°C | |
| OCT 7 | 6.2°C | 8.0°C | |
| OCT 8 | 6.2°C | 8.0°C | |
| OCT 9 | 6.5°C | 8.0°C | |
| OCT 10 | 5.6°C | 8.0°C | |
| OCT 11 | 5.8°C | 8.0°C | |
| OCT 12 | 8.0°C | 5.9°C | |
| OCT 13 | 8.0°C | 6.0°C | |
| OCT 14 | 8.0°C | 6.1°C | |
| OCT 15 | 8.0°C | 6.2°C | |
| OCT 16 | 8.0°C | 6.4°C | |
| OCT 17 | 8.0°C | 6.5°C | |
| OCT 18 | 8.0°C | 6.6°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 | 4°C |
| March | 0°C | 2°C | 4°C |
| April | 0°C | 3°C | 6°C |
| May | 3°C | 9°C | 14°C |
| June | 8°C | 14°C | 20°C |
| July | 13°C | 19°C | 24°C |
| August | 13°C | 19°C | 24°C |
| September | 10°C | 15°C | 21°C |
| October | 4°C | 8°C | 11°C |
| November | 0°C | 4°C | 7°C |
| December | 0°C | 2°C | 5°C |
Slidrefjorden: Water Temperature by Location
Slidrefjorden: Weather Forecast
October 12
October 13
October 14
October 15
Location & Local Information
Slidrefjorden, a freshwater lake in Innlandet County, experiences pronounced seasonal variation in surface water temperature. During winter the lake typically approaches freezing with temperatures around 0–4 °C (32–39 °F) under ice cover. In spring, as snowmelt and runoff warm the water, surface values commonly range from about 4–12 °C (39–54 °F). The warmest period is midsummer, when sheltered, shallow areas can reach roughly 14–20 °C (57–68 °F) on average and may climb a few degrees higher in heatwaves; deeper or wind-exposed parts remain cooler. In autumn the water cools again to approximately 6–12 °C (43–54 °F) as air temperatures fall and stratification breaks down. Temperatures vary with depth, exposure, and recent weather, so measurements at one spot do not represent the whole lake.
Swimming in Slidrefjorden is commonly practised in summer where there is public access, beaches, and boat ramps, and is generally allowed for recreational use. Many people prefer short dips or wetsuits because even summer temperatures can feel brisk compared with more temperate climates. Open-water swimming in winter requires specialist knowledge and safety measures if done through ice. As with any natural lake, swimmers should be mindful of sudden depth changes, currents near inflows or outlets, boat traffic, and local guidance for safe access.