National Forecast
Issued at: 16 August 2026 09:30
TODAY - Sunday 16th August
Cloudy today with scattered patches of light rain, drizzle and mist. The rain and drizzle will ease through this evening. Highest temperatures of 16 to 22 degrees in a light to moderate southwest breeze.
TONIGHT
Tonight, it will stay mostly cloudy with just occasional clear backs and some lingering patches of light rain or drizzle. Mist and fog patches will develop also. A mild night with lowest temperatures of 12 to 15 degrees in a light westerly breeze.
TOMORROW - Monday 17th August
Tomorrow, Monday, will be a humid day. Cloudy in the west and north with patchy rain and drizzle but drier elsewhere with sunny spells gradually spreading from the south. Later in the afternoon and evening, rain will turn more persistent and occasionally heavy over Ulster and west Connacht. Highest temperatures of 17 to 21 degrees in Ulster and Connacht. Warmer elsewhere with highs of 21 to 25 degrees in light to moderate westerly winds.
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.
Temperature circle (°C): maximum and minimum temperature forecast for each day. Wind symbol (km/h): arrow points in the direction the wind is blowing. The weather and wind icons: for the time of maximum temperature and minimum temperature.