What is the current water temperature in Conwy?

Q: What is the current water temperature in Conwy?

As of now, in Conwy, the water temperature is 19.32°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

United Kingdom > Conwy

Water temperature in Conwy

Detailed information about the current water temperature in Conwy. 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.

66.8

°F

August 22, 08:11

Trend:

stable

Yesterday:

66.7°F

Tomorrow:

66.6°F

Sunrise:

06:07

Sunset:

20:29

Day Length:

14 h. 22 min.

Conwy in August

Minimum:

43.3°F

Average:

46.0°F

Maximum:

48.1°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 66.8°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 3.5°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 65.9°F on 2025, while the historical minimum was 61.7°F on 2017.

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 66.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Conwy

Date	Current Year actual* / forecast**	last year	10 years average
Aug 8	64.7°F	63.9°F	63.1°F
Aug 9	65.2°F	64.0°F	63.1°F
Aug 10	65.0°F	63.7°F	62.9°F
Aug 11	65.0°F	63.7°F	62.9°F
Aug 12	65.1°F	64.1°F	63.2°F
Aug 13	66.3°F	64.8°F	63.6°F
Aug 14	67.0°F	65.3°F	63.8°F
Aug 15	67.2°F	65.2°F	63.8°F
Aug 16	66.9°F	65.6°F	63.9°F
Aug 17	66.5°F	66.1°F	63.8°F
Aug 18	66.5°F	66.8°F	63.9°F
Aug 19	66.8°F	66.3°F	63.6°F
Aug 20	66.9°F	65.9°F	63.6°F
Aug 21	66.7°F	65.4°F	63.2°F
Aug 22	66.8°F	65.9°F	63.3°F
Aug 23	66.6°F	65.4°F	63.1°F
Aug 24	66.5°F	65.0°F	63.1°F
Aug 25	66.5°F	65.2°F	63.1°F
Aug 26	66.5°F	65.3°F	63.1°F
Aug 27	66.5°F	65.4°F	63.0°F
Aug 28	66.2°F	65.2°F	62.7°F
Aug 29	66.1°F	64.9°F	62.6°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 Conwy by month

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

The warmest water in Conwy was recorded on July 16, 2026, reaching a 68.5°F. While the coldest temperature occurred on March 9, 2018, dipping to 40.2°F. The average readings by season are 45.8°F in Winter, 48.6°F in Spring, 61.1°F in Summer, and 56.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bangor	65.8°F	13mi
Caernarfon	65.8°F	21mi
Holyhead	63.0°F	33mi
Birkenhead	64.5°F	35mi
Liverpool	64.4°F	36mi

* current water temperature in this city

** straight line distance from Conwy