Northern Ireland weather: Cloudy weather on Friday, highs of 18C

Temperatures are forecast to reach between 15C and 18C across five regional centres.

By Claire Donnelly1 min read

Northern Ireland weather forecast for 2026-08-21, showing conditions and temperatures for Belfast, Londonderry, Enniskillen, Newry and Coleraine — Today's forecast for Belfast, Londonderry, Enniskillen, Newry and Coleraine. Graphic: The Belfast Herald Picture: The Belfast Herald

Cloudy weather is forecast across Northern Ireland on Friday, with daytime temperatures ranging from 15C to 18C. Overnight lows across the five regional forecasts range from 10C to 13C.

Belfast is forecast to reach 17C after a low of 12C, with overcast. Londonderry is forecast to reach 15C after a low of 12C, with drizzle. Enniskillen is forecast to reach 15C after a low of 10C, with rain; Newry is forecast to reach 18C after a low of 12C, with overcast; Coleraine is forecast to reach 16C after a low of 13C, with drizzle.

Londonderry carries the highest maximum precipitation probability at 93 per cent. The strongest forecast wind in the regional sample is 19 km/h in Coleraine.

Saturday's outlook puts the highest daytime temperature at 18C in Belfast and Newry, while overcast is the most common condition in the five-location forecast.