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 7.55°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.

45.6

°F

April 29, 16:27

Trend:

increasing

Yesterday:

45.0°F

Tomorrow:

46.5°F

Sunrise:

05:22

Sunset:

21:08

Day Length:

15 h. 46 min.

Oslo in May

Minimum:

34.1°F

Average:

36.8°F

Maximum:

40.1°F

Sea water temperature in Oslo today

As of now, in Oslo, the water temperature is 45.6°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 0.3°F lower 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 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 50.2°F on 2019, while the historical minimum was 42.9°F on 2017.

latest data

last year

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 47.6°F, with minimum temperature starting at 46.5°F, while the maximum might reach 48.6°F.

Daily water temperature in Oslo

Date	Current Year actual* / forecast**	last year	10 years average
Apr 15	40.7°F	48.1°F	42.3°F
Apr 16	40.8°F	46.9°F	42.7°F
Apr 17	43.2°F	46.1°F	42.8°F
Apr 18	43.5°F	48.3°F	43.1°F
Apr 19	43.6°F	48.3°F	43.8°F
Apr 20	44.7°F	47.6°F	44.2°F
Apr 21	44.5°F	47.2°F	45.2°F
Apr 22	45.9°F	46.8°F	45.3°F
Apr 23	46.5°F	46.6°F	46.0°F
Apr 24	46.7°F	47.0°F	46.0°F
Apr 25	46.6°F	48.6°F	45.9°F
Apr 26	45.8°F	48.5°F	45.9°F
Apr 27	45.0°F	49.1°F	45.8°F
Apr 28	45.0°F	49.7°F	45.9°F
Apr 29	45.6°F	49.2°F	45.9°F
Apr 30	46.5°F	49.5°F	46.8°F
May 1	46.7°F	48.9°F	47.0°F
May 2	47.2°F	49.4°F	47.5°F
May 3	48.1°F	50.4°F	48.4°F
May 4	48.1°F	51.2°F	48.4°F
May 5	48.4°F	50.7°F	48.7°F
May 6	48.6°F	49.9°F	48.9°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.