Ulster
Issued at: 15 August 2026 16:30
TODAY - Saturday 15th August
Dry this evening and largely cloudy.
TONIGHT
Mostly cloudy tonight with patchy rain and drizzle, turning more persistent from the west later. Lowest temperatures of 11 to 14 degrees in light southwesterly or variable breezes with some fog patches developing.
Pollen Forecast
Low Saturday and Sunday.
Solar UV Index
Moderate Saturday and low to moderate Sunday.
TOMORROW - Sunday 16th August
Mostly cloudy tomorrow with scattered outbreaks of rain and drizzle. Highest temperatures of 16 to 19 degrees in light, occasionally moderate southwesterly 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.
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.