France > Cherbourg-Octeville

Water temperature in Cherbourg-Octeville

Detailed information about the current water temperature in Cherbourg-Octeville. 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.

66.4

°F

August 29, 11:08

Trend:

stable

Yesterday:

66.5°F

Tomorrow:

66.5°F

Sunrise:

07:17

Sunset:

20:57

Day Length:

13 h. 40 min.

Cherbourg-Octeville in September

Minimum:

50.1°F

Average:

51.1°F

Maximum:

52.9°F

Sea water temperature in Cherbourg-Octeville today

As of now, in Cherbourg-Octeville, the water temperature is 66.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.2°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

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 66.0°F on 2022, while the historical minimum was 62.9°F on 2015.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 66.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Cherbourg-Octeville

Date	Current Year actual* / forecast**	last year	10 years average
Aug 15	65.7°F	64.6°F	63.9°F
Aug 16	65.7°F	64.8°F	64.0°F
Aug 17	65.7°F	64.7°F	64.1°F
Aug 18	65.8°F	64.7°F	64.2°F
Aug 19	66.2°F	64.7°F	64.2°F
Aug 20	66.3°F	64.8°F	64.1°F
Aug 21	66.1°F	65.1°F	64.2°F
Aug 22	65.8°F	65.0°F	64.3°F
Aug 23	66.2°F	64.9°F	64.4°F
Aug 24	66.2°F	65.1°F	64.4°F
Aug 25	66.2°F	65.0°F	64.3°F
Aug 26	66.6°F	64.9°F	64.4°F
Aug 27	66.7°F	64.8°F	64.3°F
Aug 28	66.5°F	64.8°F	64.3°F
Aug 29	66.4°F	65.1°F	64.2°F
Aug 30	66.5°F	65.0°F	64.2°F
Aug 31	66.5°F	65.0°F	64.3°F
Sep 1	66.5°F	65.1°F	64.3°F
Sep 2	66.5°F	65.0°F	64.3°F
Sep 3	66.5°F	65.0°F	64.2°F
Sep 4	66.5°F	64.7°F	64.3°F
Sep 5	66.6°F	64.9°F	64.4°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 Cherbourg-Octeville by month

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

The warmest water in Cherbourg-Octeville was recorded on August 27, 2025, reaching a 66.7°F. While the coldest temperature occurred on March 5, 2018, dipping to 45.3°F. The average readings by season are 50.7°F in Winter, 50.5°F in Spring, 61.1°F in Summer, and 61.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint Peter Port	64.1°F	43mi
Saint-Malo	68.7°F	71mi
Portland	65.9°F	74mi

* current water temperature in this city

** straight line distance from Cherbourg-Octeville