What is the current water temperature in Leiden?

Q: What is the current water temperature in Leiden?

As of now, in Leiden, the water temperature is 18.36°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

Netherlands > Leiden

Water temperature in Leiden

Detailed information about the current water temperature in Leiden. 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.

65.0

°F

October 7, 05:25

Trend:

decreasing

Yesterday:

65.3°F

Tomorrow:

64.7°F

Sunrise:

07:52

Sunset:

19:07

Day Length:

11 h. 15 min.

Leiden in October

Minimum:

41.1°F

Average:

44.1°F

Maximum:

46.0°F

Sea water temperature in Leiden today

As of now, in Leiden, the water temperature is 65.0°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 3.8°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 64.1°F on 2023, while the historical minimum was 59.7°F on 2025.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 64.0°F, the minimum temperature may reach 63.5°F, and the maximum might stay at 64.7°F.

Daily water temperature in Leiden

Date	Current Year actual* / forecast**	last year	10 years average
Sep 23	64.6°F	63.0°F	64.3°F
Sep 24	64.9°F	62.9°F	64.0°F
Sep 25	65.0°F	62.2°F	64.0°F
Sep 26	64.8°F	61.9°F	63.8°F
Sep 27	64.6°F	61.2°F	63.6°F
Sep 28	64.5°F	61.0°F	63.3°F
Sep 29	64.6°F	60.7°F	63.1°F
Sep 30	65.1°F	60.9°F	63.0°F
Oct 1	65.2°F	61.3°F	63.0°F
Oct 2	65.0°F	61.1°F	62.8°F
Oct 3	65.0°F	60.9°F	62.7°F
Oct 4	64.8°F	60.8°F	62.4°F
Oct 5	64.7°F	60.7°F	62.1°F
Oct 6	65.3°F	60.2°F	61.5°F
Oct 7	65.0°F	59.7°F	61.2°F
Oct 8	64.7°F	59.6°F	60.9°F
Oct 9	64.6°F	59.8°F	60.8°F
Oct 10	64.1°F	59.3°F	60.3°F
Oct 11	63.9°F	59.0°F	60.1°F
Oct 12	63.7°F	58.9°F	59.9°F
Oct 13	63.5°F	57.9°F	59.7°F
Oct 14	63.7°F	59.2°F	59.9°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 Leiden by month

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

The warmest water in Leiden was recorded on September 11, 2023, reaching a 71.3°F. While the coldest temperature occurred on March 4, 2018, dipping to 37.4°F. The average readings by season are 44.3°F in Winter, 49.0°F in Spring, 64.9°F in Summer, and 59.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Scheveningen	65.8°F	10mi
The Hague	65.8°F	10mi
Amsterdam	62.9°F	22mi

* current water temperature in this city

** straight line distance from Leiden