All data are in degrees Fahrenheit

en

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

47.0

°F

October 26, 10:14

Trend:

decreasing

Yesterday:

47.2°F

Tomorrow:

46.7°F

Sunrise:

08:53

Sunset:

17:34

Day Length:

8 h. 41 min.

Keflavík in November

Minimum:

38.8°F

Average:

40.3°F

Maximum:

42.0°F

Sea water temperature in Keflavík today

As of now, in Keflavík, the water temperature is 47.0°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 0.6°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 fall 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 48.1°F on 2017, while the historical minimum was 45.1°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 46.5°F, the minimum temperature may reach 46.3°F, and the maximum might stay at 46.7°F.

Daily water temperature in Keflavík

Date Current Year

actual* / forecast**

last year 10 years average
Oct 12 48.8°F 49.2°F 47.9°F
Oct 13 49.0°F 49.1°F 47.7°F
Oct 14 49.0°F 48.9°F 47.6°F
Oct 15 48.9°F 48.0°F 47.5°F
Oct 16 48.3°F 47.8°F 47.4°F
Oct 17 48.3°F 47.8°F 47.3°F
Oct 18 48.3°F 46.9°F 47.1°F
Oct 19 47.9°F 47.9°F 47.1°F
Oct 20 47.6°F 48.1°F 47.0°F
Oct 21 47.6°F 48.1°F 47.0°F
Oct 22 47.8°F 48.6°F 46.9°F
Oct 23 47.5°F 48.4°F 46.7°F
Oct 24 47.2°F 48.3°F 46.5°F
Oct 25 47.2°F 47.9°F 46.5°F
Oct 26 47.0°F 47.5°F 46.4°F
Oct 27 46.7°F 47.3°F 46.1°F
Oct 28 46.7°F 47.1°F 46.1°F
Oct 29 46.7°F 46.9°F 46.1°F
Oct 30 46.5°F 46.7°F 45.9°F
Oct 31 46.4°F 46.4°F 45.8°F
Nov 1 46.3°F 46.2°F 45.7°F
Nov 2 46.3°F 46.2°F 45.6°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 40.4°F in Winter, 42.2°F in Spring, 51.0°F in Summer, and 47.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Álftanes 46.5°F 18mi
Hafnarfjörður 46.4°F 19mi
Kópavogur 46.4°F 21mi
Reykjavík 46.4°F 22mi
Akranes 45.9°F 26mi

* current water temperature in this city

** straight line distance from Keflavík