National Forecast

Issued at: 15 August 2026 23:00

TONIGHT

Becoming increasingly cloudy overnight with light rain and drizzle spreading from the northwest across Ulster and Connacht. Broken cloud in the southeast. Lowest temperatures of 10 to 14 degrees.

TOMORROW - Sunday 16th August

Sunday will be mostly cloudy with patchy rain, drizzle and mist, mainly over Ulster, Connacht and west Munster. Some sunny breaks in the east and southeast, but some drizzle here later also. Highest temperatures of 16 to 22 degrees with light to moderate southwest breezes.

National Outlook

Overview: Mixed conditions generally with rain or showers at times but dry intervals too. Temperatures generally in the high teens in the northwest to low or mid-twenties in the south and east.

On Monday night, rain will spread southeastwards across Ireland. It will be heaviest in the northwest and will become lighter and patchier further to the southeast. Mild with temperatures not falling below 13 to 17 degrees and mostly moderate westerly winds, fresher along Atlantic coasts.

Tuesday will bring a fair amount of cloud and scattered showers, becoming more isolated later with better sunny spells developing. Highest temperatures of 16 to 17 degrees in the northwest to 22 or 23 degrees in the southeast with moderate to fresh westerly winds.

Tuesday night will be mainly dry. There'll be some showers in the west and northwest, which will become heavier by Wednesday morning. Lowest temperatures of 10 to 13 degrees with moderate west to southwest winds.

On Wednesday, showers in the west and northwest will spread to all areas. Some will be heavy or prolonged. Highest temperatures of 16 to 20 degrees with moderate, occasionally fresh westerly winds, veering northwesterly.

Thursday will be a cooler, fresher day with sunny spells and scattered showers. Highest temperatures of 15 to 19 degrees with moderate to fresh northerly winds.

Friday will bring a fair amount of dry weather, with sunny spells and well scattered showers. Highest temperatures of 14 to 18 degrees with moderate northerly winds.

Current indications suggest that next weekend will be mainly dry with bright or sunny spells and a few showers with temperatures in the mid to high teens.