All data are in degrees Fahrenheit

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Water temperature in Oslo

Detailed information about the current water temperature in Oslo. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Oslo now

69.1

°F

August 5, 08:26

Trend:

stable

Yesterday:

69.2°F

Tomorrow:

69.3°F

Sunrise:

05:07

Sunset:

21:38

Day Length:

16 h. 31 min.

Oslo in August

Minimum:

34.1°F

Average:

36.9°F

Maximum:

39.6°F

Sea water temperature in Oslo today

As of now, in Oslo, the water temperature is 69.1°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 3.2°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 72.4°F on 2018, while the historical minimum was 62.3°F on 2015.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 68.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Oslo

Date Current Year

actual* / forecast**

last year 10 years average
Jul 22 72.1°F 67.0°F 66.6°F
Jul 23 71.5°F 67.7°F 66.9°F
Jul 24 71.9°F 69.9°F 67.9°F
Jul 25 71.4°F 67.5°F 68.0°F
Jul 26 72.1°F 68.1°F 68.6°F
Jul 27 72.2°F 65.2°F 68.2°F
Jul 28 71.8°F 65.5°F 68.1°F
Jul 29 71.4°F 64.6°F 67.5°F
Jul 30 71.7°F 67.0°F 67.3°F
Jul 31 68.2°F 66.1°F 66.9°F
Aug 1 67.6°F 66.5°F 66.7°F
Aug 2 67.0°F 66.4°F 66.3°F
Aug 3 69.3°F 66.4°F 66.4°F
Aug 4 69.2°F 66.4°F 66.0°F
Aug 5 69.1°F 66.1°F 65.9°F
Aug 6 69.3°F 68.1°F 66.1°F
Aug 7 69.1°F 67.9°F 65.9°F
Aug 8 69.0°F 68.5°F 65.9°F
Aug 9 69.0°F 69.0°F 65.9°F
Aug 10 68.7°F 68.6°F 65.5°F
Aug 11 68.2°F 68.2°F 65.1°F
Aug 12 68.3°F 68.2°F 65.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Oslo by month

In an average year, Oslo offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Oslo was recorded on July 28, 2018, reaching a 73.3°F. While the coldest temperature occurred on January 19, 2025, dipping to 32.0°F. The average readings by season are 37.2°F in Winter, 43.3°F in Spring, 64.1°F in Summer, and 53.2°F in Autumn.