All data are in degrees Fahrenheit

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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.
Sea temperature in Conwy now

55.6

°F

October 24, 17:20

Trend:

decreasing

Yesterday:

56.2°F

Tomorrow:

55.3°F

Sunrise:

07:58

Sunset:

18:00

Day Length:

10 h. 2 min.

Conwy in October

Minimum:

43.5°F

Average:

45.5°F

Maximum:

47.9°F

Sea water temperature in Conwy today

As of now, in Conwy, the water temperature is 55.6°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 about the same as 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 56.8°F on 2021, while the historical minimum was 54.7°F on 2024.

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 55.0°F, the minimum temperature may reach 54.5°F, and the maximum might stay at 55.3°F.

Daily water temperature in Conwy

Date Current Year

actual* / forecast**

last year 10 years average
Oct 10 59.6°F 58.1°F 58.0°F
Oct 11 59.2°F 57.9°F 57.7°F
Oct 12 58.8°F 57.6°F 57.5°F
Oct 13 58.9°F 57.7°F 57.5°F
Oct 14 58.8°F 57.6°F 57.4°F
Oct 15 58.8°F 57.3°F 57.3°F
Oct 16 58.6°F 56.9°F 57.2°F
Oct 17 58.3°F 56.4°F 56.9°F
Oct 18 57.5°F 56.5°F 56.7°F
Oct 19 57.4°F 56.4°F 56.6°F
Oct 20 56.6°F 56.2°F 56.4°F
Oct 21 57.1°F 56.0°F 56.3°F
Oct 22 56.9°F 56.0°F 56.1°F
Oct 23 56.2°F 55.8°F 55.9°F
Oct 24 55.6°F 55.3°F 55.6°F
Oct 25 55.3°F 55.4°F 55.3°F
Oct 26 55.2°F 55.1°F 55.2°F
Oct 27 55.3°F 55.1°F 55.3°F
Oct 28 55.1°F 55.0°F 55.1°F
Oct 29 54.9°F 54.6°F 54.9°F
Oct 30 54.7°F 54.3°F 54.7°F
Oct 31 54.5°F 53.6°F 54.5°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 56.0°F 13mi
Caernarfon 56.3°F 21mi
Holyhead 57.3°F 33mi
Birkenhead 53.4°F 35mi
Liverpool 53.4°F 36mi

* current water temperature in this city

** straight line distance from Conwy