What is the current water temperature in Oslo?

Q: What is the current water temperature in Oslo?

As of now, in Oslo, the water temperature is 18.91°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

Norway > Oslo

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.

66.0

°F

July 23, 11:29

Trend:

stable

Yesterday:

67.4°F

Tomorrow:

66.9°F

Sunrise:

04:37

Sunset:

22:09

Day Length:

17 h. 32 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 66.0°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 1.5°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 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 71.5°F on 2025, while the historical minimum was 64.2°F on 2023.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 66.9°F, with minimum temperature starting at 66.3°F, while the maximum might reach 67.6°F.

Daily water temperature in Oslo

Date	Current Year actual* / forecast**	last year	10 years average
Jul 9	64.9°F	64.1°F	65.7°F
Jul 10	66.4°F	63.0°F	65.9°F
Jul 11	68.5°F	65.0°F	66.3°F
Jul 12	68.2°F	65.9°F	66.5°F
Jul 13	68.0°F	66.9°F	66.6°F
Jul 14	68.0°F	66.0°F	66.4°F
Jul 15	69.3°F	65.8°F	66.0°F
Jul 16	70.5°F	66.8°F	66.5°F
Jul 17	69.7°F	67.8°F	66.2°F
Jul 18	72.0°F	68.2°F	66.3°F
Jul 19	69.7°F	69.8°F	66.5°F
Jul 20	67.3°F	71.3°F	66.4°F
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	67.6°F
Jul 24	66.9°F	71.9°F	68.4°F
Jul 25	67.0°F	71.4°F	68.5°F
Jul 26	67.6°F	72.1°F	69.1°F
Jul 27	67.1°F	72.2°F	68.6°F
Jul 28	67.0°F	71.8°F	68.5°F
Jul 29	66.4°F	71.4°F	67.9°F
Jul 30	66.3°F	71.7°F	67.8°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.