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

63.1

°F

August 4, 15:47

Trend:

stable

Yesterday:

63.0°F

Tomorrow:

62.9°F

Sunrise:

05:04

Sunset:

21:41

Day Length:

16 h. 37 min.

Oslo in August

Minimum:

34.1°F

Average:

37.0°F

Maximum:

39.6°F

Sea water temperature in Oslo today

As of now, in Oslo, the water temperature is 63.1°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 3.7°F lower 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 fall 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 71.2°F on 2018, while the historical minimum was 63.8°F on 2017.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 62.6°F, the minimum temperature may reach 61.7°F, and the maximum might stay at 63.2°F.

Daily water temperature in Oslo

Date Current Year

actual* / forecast**

last year 10 years average
Jul 21 65.9°F 71.7°F 66.9°F
Jul 22 67.4°F 72.1°F 67.3°F
Jul 23 66.0°F 71.5°F 67.4°F
Jul 24 66.6°F 71.9°F 68.3°F
Jul 25 67.3°F 71.4°F 68.4°F
Jul 26 64.3°F 72.1°F 68.7°F
Jul 27 64.2°F 72.2°F 68.2°F
Jul 28 63.9°F 71.8°F 68.1°F
Jul 29 63.0°F 71.4°F 67.5°F
Jul 30 63.0°F 71.7°F 67.3°F
Jul 31 63.4°F 68.2°F 67.0°F
Aug 1 63.6°F 67.6°F 67.0°F
Aug 2 63.9°F 67.0°F 66.5°F
Aug 3 63.0°F 69.3°F 66.5°F
Aug 4 63.1°F 69.2°F 66.8°F
Aug 5 62.9°F 69.0°F 66.6°F
Aug 6 63.2°F 68.6°F 66.8°F
Aug 7 62.9°F 68.1°F 66.5°F
Aug 8 62.7°F 67.6°F 66.4°F
Aug 9 62.6°F 67.4°F 66.2°F
Aug 10 62.2°F 67.0°F 65.9°F
Aug 11 61.7°F 66.5°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.