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Øyeren Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Øyeren Lake, trends, monthly ranges and the forecast for the coming days.

Lyseren Lake, Norway
Lyseren Lake, Norway © By Kimsaka, CC BY-SA 3.0

Current Water Temperature

17.4°C
Today
15.8°C
Yesterday
15.0°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Øyeren Lake today is 17.4°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people. 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

From May 30 to June 30

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 2315.0°C17.8°C
JUN 2415.0°C17.8°C
JUN 2515.0°C17.8°C
JUN 2615.4°C17.8°C
JUN 2715.7°C17.8°C
JUN 2815.7°C17.8°C
JUN 2915.8°C17.8°C
JUN 3017.4°C17.8°C
JUL 122.0°C17.6°C
JUL 222.0°C17.9°C
JUL 322.0°C18.1°C
JUL 422.0°C18.3°C
JUL 522.0°C18.6°C
JUL 622.0°C18.8°C
JUL 722.0°C19.0°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
January0°C3°C6°C
February0°C3°C6°C
March0°C4°C7°C
April2°C7°C11°C
May7°C12°C18°C
June11°C18°C24°C
July17°C22°C27°C
August17°C22°C27°C
September12°C18°C23°C
October7°C11°C14°C
November3°C7°C10°C
December0°C4°C7°C

Øyeren Lake: Water Temperature by Location

Øyeren Lake: Weather Forecast

July 1

° / °
moderate drizzle
rain: 61% | wind:

July 2

° / °
slight thunderstorm
rain: 65% | wind:

July 3

° / °
slight thunderstorm
rain: 25% | wind:

July 4

° / °
moderate drizzle
rain: 43% | wind:

Location & Local Information

Øyeren is a large, shallow lake in what was formerly Akershus County in Norway, known locally as Øyeren. Water temperatures vary markedly through the year: in midsummer (July–August) surface temperatures typically reach about 18–22 °C (64–72 °F) and on warm days can approach 24 °C (75 °F). Late spring and early summer (May–June) are cooler, commonly 6–15 °C (43–59 °F), while early autumn (September–October) usually sees temperatures fall to around 8–16 °C (46–61 °F). In winter the lake is near freezing, often around 0–4 °C (32–39 °F) where it is not ice-covered; some winters parts of Øyeren freeze solid.

Swimming at Øyeren is generally allowed because of Norway’s public right of access and the many open shorelines, and many people swim there in summer when temperatures are comfortable. Water quality and local conditions can vary, however: shallow, reed-lined areas may warm faster but also experience algal growth in late summer, and there are no widespread lifeguarded beaches, so swimmers should choose sheltered spots, be aware of boat traffic, and check local advisories for blooms or contamination before entering the water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Øyeren Lake?
Water Temperature in Øyeren Lake today is 17.4°C.
What is the water temperature in Øyeren Lake during the summer months?
The water temperature in Øyeren Lake in summer fluctuates in the range of 11°C - 27°C.
Is it possible to swim in Øyeren (Norway) and what are the possibilities for this?
Yes — the large freshwater lake Øyeren is swimmable, with options ranging from shallow shorelines and small sandy or reed-fringed beaches to sheltered bays and open-water swims as well as swimming from kayaks, canoes or paddleboards, though swimmers should use designated bathing spots where available, be mindful of boat traffic and changing conditions, and follow local water-quality and nature-protection advice.