Tomorrow's weather in Portmarnock will be rain showers during the afternoon. High temperatures will reach a pleasant 19°C (66°F), with lows dropping to around 14°C (57°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Portmarnock will start at 19°C (66°F) on Friday, then cooling down. Daytime highs during this period will average around 16°C (61°F), with nighttime lows around 11°C (52°F). These values are typical for October. The next 10 days will feature plenty of sunshine. Rainfall is expected to be less than usual (compared to typical October conditions). The forecast shows mixed conditions, with some heavy rain showers especially on Fri, Tue. Precipitation is likely on approximately 3 days (Fri, Tue, Thu).

Weather Forecast FAQ for Portmarnock

When will be the warmest day next week?

The warmest day is expected to be Friday with a high of 19°C (66°F).

When will be the coldest day?

The coldest day is forecasted for Thursday with a low of 7°C (45°F).

Will it rain next week in Portmarnock?

Yes, rain is expected on 3 days , specifically on Fri, Tue, Thu.

How much rainfall is expected next week?

A total of 11 mm (0.4 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 7°C (45°F) to 19°C (66°F).

More about Portmarnock

Explore the full Portmarnock climate overview with monthly averages, or check rainfall data and temperature by month.

Portmarnock weather by month

Browse monthly averages for Portmarnock: climate by month with temperature, rainfall and sunshine.

January February March April May June July August September October November December

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