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 9.45°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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.

49.0

°F

April 19, 09:30

Trend:

increasing

Yesterday:

48.3°F

Tomorrow:

49.6°F

Sunrise:

05:50

Sunset:

20:44

Day Length:

14 h. 54 min.

Oslo in April

Minimum:

34.3°F

Average:

36.8°F

Maximum:

40.0°F

Sea water temperature in Oslo today

As of now, in Oslo, the water temperature is 49.0°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 5.7°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 45.5°F on 2023, while the historical minimum was 41.2°F on 2018.

latest data

last year

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 50.9°F, with minimum temperature starting at 49.6°F, while the maximum might reach 51.5°F.

Daily water temperature in Oslo

Date	Current Year actual* / forecast**	last year	10 years average
Apr 5	42.3°F	38.2°F	39.0°F
Apr 6	43.1°F	37.8°F	39.5°F
Apr 7	44.3°F	36.1°F	39.0°F
Apr 8	43.5°F	40.2°F	39.9°F
Apr 9	44.5°F	39.1°F	40.2°F
Apr 10	44.2°F	40.2°F	41.0°F
Apr 11	46.0°F	41.4°F	41.4°F
Apr 12	46.1°F	42.5°F	42.0°F
Apr 13	47.5°F	43.5°F	42.6°F
Apr 14	46.5°F	45.3°F	42.6°F
Apr 15	48.1°F	43.2°F	42.5°F
Apr 16	46.9°F	43.9°F	43.0°F
Apr 17	46.1°F	43.3°F	42.8°F
Apr 18	48.3°F	43.1°F	42.6°F
Apr 19	49.0°F	41.9°F	43.3°F
Apr 20	49.6°F	43.5°F	43.9°F
Apr 21	50.8°F	43.4°F	45.1°F
Apr 22	50.8°F	43.9°F	45.1°F
Apr 23	51.5°F	45.6°F	45.8°F
Apr 24	51.5°F	45.5°F	45.8°F
Apr 25	51.2°F	45.4°F	45.5°F
Apr 26	51.2°F	44.3°F	45.5°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.