All data are in degrees Fahrenheit

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Water temperature in Keflavík

Detailed information about the current water temperature in Keflavík. 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 Keflavík now

45.2

°F

November 9, 19:24

Trend:

decreasing

Yesterday:

45.3°F

Tomorrow:

45.1°F

Sunrise:

09:37

Sunset:

16:50

Day Length:

7 h. 13 min.

Keflavík in November

Minimum:

38.8°F

Average:

40.2°F

Maximum:

42.0°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 45.2°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 0.4°F higher 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 stay about the same.

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 46.2°F on 2016, while the historical minimum was 43.3°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 44.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Keflavík

Date Current Year

actual* / forecast**

last year 10 years average
Oct 26 47.5°F 45.5°F 46.3°F
Oct 27 47.3°F 45.2°F 46.1°F
Oct 28 47.1°F 44.9°F 46.0°F
Oct 29 46.9°F 44.8°F 46.0°F
Oct 30 46.7°F 45.0°F 45.9°F
Oct 31 46.4°F 44.6°F 45.8°F
Nov 1 46.2°F 44.6°F 45.7°F
Nov 2 46.2°F 44.6°F 45.6°F
Nov 3 45.9°F 44.3°F 45.5°F
Nov 4 45.9°F 44.2°F 45.3°F
Nov 5 45.6°F 44.0°F 45.2°F
Nov 6 45.4°F 44.1°F 45.0°F
Nov 7 45.3°F 44.1°F 44.8°F
Nov 8 45.3°F 44.3°F 44.7°F
Nov 9 45.2°F 44.4°F 44.8°F
Nov 10 45.1°F 44.3°F 44.8°F
Nov 11 45.1°F 44.3°F 44.7°F
Nov 12 45.0°F 44.2°F 44.6°F
Nov 13 44.9°F 44.1°F 44.5°F
Nov 14 44.8°F 44.0°F 44.5°F
Nov 15 44.7°F 44.5°F 44.3°F
Nov 16 44.6°F 44.3°F 44.3°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 Keflavík by month

In an average year, Keflavík offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Keflavík was recorded on August 6, 2019, reaching a 56.1°F. While the coldest temperature occurred on February 9, 2024, dipping to 36.3°F. The average readings by season are 40.3°F in Winter, 42.1°F in Spring, 50.9°F in Summer, and 47.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Álftanes 44.6°F 18mi
Hafnarfjörður 44.6°F 19mi
Kópavogur 44.6°F 21mi
Reykjavík 44.6°F 22mi
Akranes 44.7°F 26mi

* current water temperature in this city

** straight line distance from Keflavík