Joint warmest June day ever for Northern Ireland - here are the hottest spots of the day

Today was the joint hottest June day ever recorded in Northern Ireland.

A reading of 30.8C exactly was obtained in Castlederg at 3.30pm, matching the Province’s all-time peak for the month, which had been reached on June 30, 1976 in Knockarevan in Fermanagh.

Even the statues of Queen Elizabeth II and the Duke of Edinburgh in Antrim Castle Gardens needed cooling down during the fine weather todayplaceholder image
Even the statues of Queen Elizabeth II and the Duke of Edinburgh in Antrim Castle Gardens needed cooling down during the fine weather today

The outright all-time high for Northern Ireland is 31.3C, recorded in Castlederg on July 21, 2021.

The other top temperatures of the day today were:

Orlagh McAllister and family enjoy the weather at Helens Bay beach in County Downplaceholder image
Orlagh McAllister and family enjoy the weather at Helens Bay beach in County Down

Derrylin and Thomastown, both in Fermanagh, hit 29.5C at 2.31pm and 2.42pm respectively;

Aldergrove in Co Antrim hit 28.8C at 3.17pm;

And Killowen in Co Down hit 27.4C at 12.42pm.

It was the hottest day of the year so far in Northern Ireland, and the fourth day in a row that temperatures have reached 25C-plus.

Press Eye Photography - Belfast - Northern Ireland - 25th  June 2026 


General view of Helens Bay beach in County Down where temperatures in Northern Ireland soared and are expected to climbed close to the all-time record on Thursday.

That currently stands at 31.3C and was set in Castlederg in County Tyrone in July 2021, with similar temperatures expected on Thursday in western areas.

Photo by Kelvin Boyes / Press Eye. 
 : Preseye weatherplaceholder image
Press Eye Photography - Belfast - Northern Ireland - 25th June 2026 General view of Helens Bay beach in County Down where temperatures in Northern Ireland soared and are expected to climbed close to the all-time record on Thursday. That currently stands at 31.3C and was set in Castlederg in County Tyrone in July 2021, with similar temperatures expected on Thursday in western areas. Photo by Kelvin Boyes / Press Eye. : Preseye weather

An official ‘heatwave’ in NI is three days where the temperature has reached 25C or above.

Tuesday had been the previous hottest day of the year, when the Met Office recorded 28.1 C at Katesbridge, Co Down.

Things look set to be cooler tomorrow, though temperatures are expected to reach the high mid-20s; Katesbridge in Co Down for instance is forecast to see a high of 26C.

Temperatures look set to reach around 20C on Saturday, but rain, sometimes heavy, looks set to spread east during the afternoon.

Sunday and Monday look much cooler with sunny spells and showers and an occasionally fresh southwesterly breeze,” said the Met Office.

Meanwhile the UK in general saw a new monthly record set yesterday, with a top reading of 36.7C in Merryfield, Somerset.

The new high surpassed both the previous record set on Wednesday, when temperatures reached 36.1C in Gosport, Hampshire, and the long-standing record for June heat which dated back to the infamous summer of 1976.

The Met Office said in a post on social media that Wales has seen its hottest June day on record too, with 35.9C recorded in Cardiff.

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