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

67.5

°F

June 29, 02:35

Trend:

increasing

Yesterday:

67.2°F

Tomorrow:

67.9°F

Sunrise:

03:58

Sunset:

22:43

Day Length:

18 h. 45 min.

Oslo in July

Minimum:

34.1°F

Average:

36.9°F

Maximum:

39.7°F

Sea water temperature in Oslo today

As of now, in Oslo, the water temperature is 67.5°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 2.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 68.7°F on 2020, while the historical minimum was 61.2°F on 2017.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 68.1°F, with minimum temperature starting at 67.8°F, while the maximum might reach 68.4°F.

Daily water temperature in Oslo

Date Current Year

actual* / forecast**

last year 10 years average
Jun 15 59.3°F 57.7°F 60.6°F
Jun 16 58.6°F 58.3°F 61.5°F
Jun 17 59.6°F 61.1°F 62.1°F
Jun 18 61.7°F 60.2°F 62.9°F
Jun 19 62.6°F 59.6°F 63.1°F
Jun 20 63.0°F 59.8°F 63.4°F
Jun 21 62.2°F 59.3°F 63.1°F
Jun 22 62.0°F 60.6°F 63.3°F
Jun 23 63.0°F 60.6°F 63.3°F
Jun 24 63.7°F 61.5°F 63.7°F
Jun 25 63.5°F 61.5°F 63.9°F
Jun 26 64.5°F 61.9°F 64.6°F
Jun 27 66.0°F 62.7°F 64.8°F
Jun 28 67.2°F 63.4°F 64.7°F
Jun 29 67.5°F 63.3°F 65.0°F
Jun 30 67.9°F 62.7°F 65.4°F
Jul 1 68.0°F 62.4°F 65.5°F
Jul 2 68.1°F 63.9°F 65.6°F
Jul 3 68.2°F 63.8°F 65.7°F
Jul 4 68.3°F 63.5°F 65.8°F
Jul 5 68.4°F 63.8°F 65.9°F
Jul 6 67.8°F 63.8°F 65.3°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 37.3°F in Winter, 43.3°F in Spring, 64.5°F in Summer, and 53.3°F in Autumn.