Ulster
Issued at: 16 August 2026 16:00
TODAY - Sunday 16th August
A cloudy evening with further outbreaks of rain and drizzle, in moderate south to southwesterly winds. Mist and fog will linger on hills and in coastal areas.
TONIGHT
Cloudy tonight with a few patches of drizzle. Mist and fog will continue to affect hills and coastal areas. Mild, with lowest temperatures of 13 to 15 degrees in mostly light westerly winds.
Pollen Forecast
Low on Monday and Tuesday
Solar UV Index
Low to moderate on Monday and Tuesday
TOMORROW - Monday 17th August
Tomorrow, Monday, will be another cloudy day with patchy outbreaks of rain and drizzle. Rain will become heavier in the west towards evening and will gradually extend eastwards. Highest temperatures of 16 to 20 degrees, warmest in the south of the province, with light or moderate west to southwesterly 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.