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.

65.6

°F

October 6, 17:44

Trend:

stable

Yesterday:

65.4°F

Tomorrow:

65.4°F

Sunrise:

08:13

Sunset:

19:35

Day Length:

11 h. 22 min.

Cherbourg-Octeville in October

Minimum:

49.5°F

Average:

50.8°F

Maximum:

52.7°F

Sea water temperature in Cherbourg-Octeville today

As of now, in Cherbourg-Octeville, the water temperature is 65.6°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 2.8°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

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 64.3°F on 2019, while the historical minimum was 61.9°F on 2025.

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 65.0°F, the minimum temperature may reach 64.8°F, and the maximum might stay at 65.4°F.

Daily water temperature in Cherbourg-Octeville

Date	Current Year actual* / forecast**	last year	10 years average
Sep 22	65.8°F	63.7°F	64.2°F
Sep 23	65.7°F	63.5°F	64.1°F
Sep 24	65.9°F	63.3°F	63.9°F
Sep 25	66.1°F	63.4°F	64.0°F
Sep 26	66.1°F	63.1°F	64.0°F
Sep 27	66.0°F	63.0°F	63.9°F
Sep 28	66.0°F	62.8°F	63.7°F
Sep 29	66.0°F	62.6°F	63.6°F
Sep 30	66.0°F	62.7°F	63.5°F
Oct 1	66.1°F	62.7°F	63.3°F
Oct 2	65.8°F	62.7°F	63.2°F
Oct 3	65.8°F	62.7°F	63.2°F
Oct 4	65.6°F	62.7°F	63.1°F
Oct 5	65.4°F	62.5°F	63.2°F
Oct 6	65.6°F	61.9°F	62.8°F
Oct 7	65.4°F	62.0°F	62.6°F
Oct 8	65.3°F	62.0°F	62.5°F
Oct 9	65.2°F	62.0°F	62.3°F
Oct 10	65.0°F	62.0°F	62.2°F
Oct 11	64.9°F	61.8°F	62.1°F
Oct 12	64.9°F	61.8°F	62.0°F
Oct 13	64.8°F	61.4°F	61.9°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 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 16, 2026, reaching a 68.2°F. While the coldest temperature occurred on March 5, 2018, dipping to 45.3°F. The average readings by season are 50.8°F in Winter, 50.8°F in Spring, 61.4°F in Summer, and 61.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint Peter Port	64.5°F	43mi
Saint-Malo	65.5°F	71mi
Portland	65.0°F	74mi

* current water temperature in this city

** straight line distance from Cherbourg-Octeville