Average water temperature in Portmarnock

The mean water temperature over the year in Portmarnock (Dublin County), Ireland.

* Data from: Dublin, Ireland (7 KM, 4 Miles).

On average, August has the warmest water temperature with 15°C.
On average, March has the coldest water temperature with 8°C.

Forecast for Portmarnock

Sat Nov 16

12°C | 6°C

18 km/h

broken clouds and no rain

hourly forecast

Sun Nov 17

9°C | 4°C

18 km/h

2.7 mm

broken clouds and rain

hourly forecast

Mon Nov 18

9°C | 4°C

22 km/h

28 mm

overcast and heavy rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in Portmarnock.

Our site offers climate and forecast data for every country in the world. Are you going to Ireland? On this website you can find historical weather averages for many cities in Ireland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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