Temperatures climb as NI set for third heatwave of 2025

A picture of trees, shrubbery and a bright blue sky. There are several white fluffy clouds scattered across the sky.Image source, BBC Weather Watcher Paul Williams
Image caption,

Blue skies captured in Armagh on Tuesday

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Temperatures have reached over 27C in Northern Ireland as the country is set to experience its third heatwave this year - just four weeks after the last heatwave.

According to the Met Office, temperatures must reach 25C or above for at least three consecutive days for a heatwave to be declared.

Thermometers climbed to 27.8C in Armagh on Tuesday with similar, if not warmer, conditions expected on Wednesday.

The average maximum temperature for Northern Ireland in August is 18.3C.

Four geese stare out from the bars of a red gate in a field. A stone pillar is visible on the left of the picture.Image source, BBC Weather Watcher A-Lo
Image caption,

Geese bemused by the hot weather in Cultra

Other parts of Northern Ireland experienced similar temperatures on Tuesday, with 26.3C recorded at the Giants Causeway in County Antrim and 26C in Eglinton, County Londonderry and in Derrylin, County Fermanagh.

On Monday temperatures reached 25.2C in Derrylin, in County Fermanagh.

Temperatures are set to rise to 25C or higher more widely inland on Wednesday, while coastal areas are likely to see highs reaching the low 20s.

In the Republic of Ireland, Irish weather service Met Éireann, external is expecting temperatures close to 30C in parts of the midlands, while heat health alerts have been issued in parts of Great Britain.

Temperatures are expected to dip by a few degrees on both Thursday and Friday before increasing again, quite widely, into the mid-twenties at the weekend.