Jessheim — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Jessheim, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Jessheim today is 18.6°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 |
|---|---|---|---|
| JUL 14 | 19.5°C | 17.0°C | |
| JUL 15 | 19.6°C | 17.0°C | |
| JUL 16 | 19.6°C | 17.0°C | |
| JUL 17 | 20.7°C | 17.0°C | |
| JUL 18 | 20.7°C | 17.0°C | |
| JUL 19 | 20.6°C | 17.0°C | |
| JUL 20 | 20.4°C | 17.0°C | |
| JUL 21 | 18.6°C | 17.0°C | |
| JUL 22 | 17.0°C | 18.5°C | |
| JUL 23 | 17.0°C | 18.4°C | |
| JUL 24 | 17.0°C | 18.4°C | |
| JUL 25 | 17.0°C | 18.3°C | |
| JUL 26 | 17.0°C | 18.2°C | |
| JUL 27 | 17.0°C | 18.1°C | |
| JUL 28 | 17.0°C | 18.0°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 | 4°C | 7°C |
| May | 5°C | 10°C | 15°C |
| June | 10°C | 16°C | 21°C |
| July | 12°C | 17°C | 22°C |
| August | 13°C | 18°C | 23°C |
| September | 10°C | 15°C | 20°C |
| October | 4°C | 8°C | 11°C |
| November | 0°C | 4°C | 7°C |
| December | 0°C | 2°C | 5°C |
Jessheim: Weather Forecast
July 22
July 23
July 24
July 25
Location & Local Information
Jessheim, in Akershus County, is surrounded by a mix of small lakes and slow-moving rivers characteristic of inland Eastern Norway. Seasonal water temperatures in these freshwater bodies are typically cold in spring, with surface readings in May often between about 5 and 15 °C (41–59 °F). In the summer months surface temperatures commonly rise to roughly 15–22 °C (59–72 °F) on warm, sunny days; shallow areas and small ponds can warm faster, while deeper lakes remain cooler. Autumn brings a steady decline, with September–October values normally falling into the 8–15 °C (46–59 °F) range. During winter most lakes and some river stretches approach freezing, with surface temperatures close to 0 °C (32 °F) and frequent ice cover lasting several weeks to months.
Swimming in lakes and rivers around Jessheim is generally allowed under Norway’s public access traditions and there are informal and designated bathing spots used by locals in summer. However, seasonal and local restrictions may apply for safety and quality reasons: rivers can have cold, fast currents and variable depths, and some waters may temporarily close for pollution, algal blooms or maintenance. Swimmers should therefore use marked beaches where available, heed local signage and weather conditions, and remember that even summer water can feel chilly compared with coastal bathing.