What is the current water temperature in Siglufjörður?

Q: What is the current water temperature in Siglufjörður?

As of now, in Siglufjörður, the water temperature is 8.81°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.

Iceland > Siglufjörður

Water temperature in Siglufjörður

Detailed information about the current water temperature in Siglufjörður. 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.

47.9

°F

August 2, 14:38

Trend:

stable

Yesterday:

48.1°F

Tomorrow:

48.1°F

Sunrise:

04:02

Sunset:

22:40

Day Length:

18 h. 38 min.

Siglufjörður in August

Minimum:

33.0°F

Average:

38.3°F

Maximum:

40.7°F

Sea water temperature in Siglufjörður today

As of now, in Siglufjörður, the water temperature is 47.9°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 0.6°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 slightly 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 51.1°F on 2025, while the historical minimum was 45.5°F on 2023.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 48.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Siglufjörður

Date	Current Year actual* / forecast**	last year	10 years average
Jul 19	48.1°F	49.6°F	47.9°F
Jul 20	48.2°F	49.5°F	48.1°F
Jul 21	48.0°F	49.3°F	48.0°F
Jul 22	47.1°F	49.2°F	47.9°F
Jul 23	47.3°F	48.8°F	47.8°F
Jul 24	49.2°F	49.3°F	47.9°F
Jul 25	49.5°F	49.2°F	47.9°F
Jul 26	48.8°F	48.7°F	47.8°F
Jul 27	48.7°F	48.6°F	47.7°F
Jul 28	48.7°F	49.4°F	48.0°F
Jul 29	48.6°F	50.2°F	48.3°F
Jul 30	48.6°F	50.5°F	48.7°F
Jul 31	48.3°F	51.2°F	48.7°F
Aug 1	48.1°F	51.5°F	48.5°F
Aug 2	47.9°F	51.1°F	48.5°F
Aug 3	48.1°F	52.4°F	48.8°F
Aug 4	48.0°F	51.8°F	48.6°F
Aug 5	47.9°F	51.9°F	48.6°F
Aug 6	48.0°F	51.8°F	48.7°F
Aug 7	47.9°F	51.4°F	48.6°F
Aug 8	48.0°F	50.9°F	48.6°F
Aug 9	47.8°F	50.7°F	48.5°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 Siglufjörður by month

In an average year, Siglufjörður offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Siglufjörður was recorded on August 27, 2021, reaching a 54.5°F. While the coldest temperature occurred on January 5, 2025, dipping to 32.7°F. The average readings by season are 38.3°F in Winter, 38.0°F in Spring, 46.7°F in Summer, and 43.9°F in Autumn.