10-Day Weather Forecast for Portmarnock
Six-hourly outlook through Saturday 4 July. Updated every three hours via MET Norway.
What's the weather in Portmarnock this week?
Today's weather - Thursday 25 Jun
This evening, the weather in Portmarnock will be mostly clear, with temperatures around 26°C (79°F), dropping to 20°C (68°F) overnight.
Tomorrow's weather - Friday 26 Jun
Tomorrow's weather in Portmarnock will be clear skies with some rain during the morning. High temperatures will reach a warm 24°C (75°F), with lows dropping to around 19°C (66°F).
10-Day Weather Forecast
In the coming 10 days, the weather in Portmarnock will get cooler from 26°C (79°F) down to 17°C (63°F). Daytime highs during this period will average around 20°C (68°F), with nighttime lows around 17°C (63°F). These values are a bit warmer than usual for June. The next 10 days will feature a mix of sun and clouds. Rainfall is expected to be less than usual (compared to typical June conditions). The forecast shows some rainy days. Precipitation is likely on approximately 5 days (Fri, Sat, Mon, Tue, Wed).
Weather Forecast FAQ for Portmarnock
When will be the warmest day next week?
The warmest day is expected to be Thursday with a high of 26°C (79°F).
When will be the coldest day?
The coldest day is forecasted for Thursday with a low of 13°C (55°F).
Will it rain next week in Portmarnock?
Yes, rain is expected on 5 days , specifically on Fri, Sat, Mon, Tue, Wed.
How much rainfall is expected next week?
A total of 12 mm (0.5 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 13°C (55°F) to 26°C (79°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.
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