Lillestrøm — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lillestrøm, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lillestrøm today is 18.1°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 | 19.0°C | 18.0°C | |
| JUL 15 | 19.1°C | 18.0°C | |
| JUL 16 | 19.1°C | 18.0°C | |
| JUL 17 | 20.1°C | 18.0°C | |
| JUL 18 | 20.1°C | 18.0°C | |
| JUL 19 | 20.0°C | 18.0°C | |
| JUL 20 | 20.0°C | 18.0°C | |
| JUL 21 | 18.1°C | 18.0°C | |
| JUL 22 | 18.0°C | 18.1°C | |
| JUL 23 | 18.0°C | 18.1°C | |
| JUL 24 | 18.0°C | 18.1°C | |
| JUL 25 | 18.0°C | 18.1°C | |
| JUL 26 | 18.0°C | 18.1°C | |
| JUL 27 | 18.0°C | 18.1°C | |
| JUL 28 | 18.0°C | 18.1°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 | 5°C |
| March | 0°C | 3°C | 6°C |
| April | 2°C | 6°C | 9°C |
| May | 6°C | 10°C | 15°C |
| June | 10°C | 15°C | 20°C |
| July | 14°C | 18°C | 23°C |
| August | 14°C | 18°C | 23°C |
| September | 10°C | 15°C | 19°C |
| October | 6°C | 9°C | 12°C |
| November | 2°C | 6°C | 9°C |
| December | 0°C | 3°C | 6°C |
Lillestrøm: Weather Forecast
July 22
July 23
July 24
July 25
Location & Local Information
Lillestrøm (Norwegian: Lillestrøm) in Akershus County sits close to several small lakes and the Nitelva river, and water temperatures follow typical inland patterns for the Oslo region. In spring (April–May) surface temperatures usually rise from about 4–10 °C (39–50 °F) as the ice melts. Summer (June–August) brings the warmest conditions, often 16–22 °C (61–72 °F) and on hot spells up to 24–25 °C (75–77 °F). In early autumn (September–October) temperatures commonly fall to 8–14 °C (46–57 °F). Winter months (November–March) see water close to freezing, often around 0–4 °C (32–39 °F) with ice cover possible.
Swimming is generally allowed in lakes around Lillestrøm: Norway’s right of access and local public bathing sites make bathing possible at many shorelines. Municipal beaches and informal spots are used in summer, but water quality is monitored and advisories may restrict swimming after heavy rain or pollution events. Safety factors such as cold water shock outside midsummer, underwater vegetation, lack of lifeguards, and currents in the river sections mean swimmers should choose designated swimming areas and heed local notices.