Ulster
Issued at: 04 October 2026 16:30
TODAY - Sunday 4th October
Mostly cloudy for the rest of today with patchy hill fog. Some patches of light rain and drizzle in western parts with fog developing near windward coasts. It will remain largely dry in the eastern half of the province with just the odd spot of drizzle. Mild and humid with moderate to fresh southwest winds, strong at times near the west coast.
TONIGHT
Cloudy tonight with patchy mist, drizzle, hill and coastal fog. Relatively mild with temperatures dipping no lower than 13 to 15 degrees in moderate to fresh southwest winds, strong at times near the west coast and northwest coasts.
Solar UV Index
Low on Monday and Tuesday.
TOMORROW - Monday 5th October
Rather cloudy on Monday with patchy mist and hill fog. There will be scattered outbreaks of rain and drizzle also, but southeastern parts will remain largely dry. Mild and humid with highest temperatures of 15 to 18 degrees, mildest in the east. Moderate southwest winds, fresher at times near the west and northwest coasts, will gradually ease, and veer northwest in most parts by nightfall.
National Outlook
Monday night: Cloudy with outbreaks of rain across Connacht, Munster and north Leinster. Lowest temperatures here of 9 to 13 degrees. Elsewhere, it will be drier with occasional clear spells and lowest temperatures of 13 to 15 degrees. Winds will be light and variable and there'll be mist and hill fog.
Tuesday: A dull and wet start across the north and west with rain, drizzle, mist and fog. Other areas will be drier but there will be some mist and fog. The rain and drizzle will slowly move southwards over the country through the day and a clearance will develop in the north and west during the afternoon. Cloud and patchy rain or drizzle will linger in the south, though. Highest temperatures of 13 to 18 degrees, mildest in the southeast, with light north to northwest or variable winds.
Tuesday night: Cloud and patchy rain or drizzle will clear from the south and southeast. Most places will be dry with clear spells overnight, although a few showers will occur in the north and west. Lowest temperatures of 5 to 9 degrees with light west to northwest winds.
Wednesday: A cool and bright day with well-scattered showers. Highest temperatures of 11 to 14 degrees with a moderate to fresh northwesterly breeze.
Wednesday night: Mostly dry with long clear spells and isolated showers. Lowest temperatures of 5 to 10 degrees with a light to moderate northwesterly wind.
Thursday: Thursday morning will start dry and sunny. Cloud will build from the west through the day, bringing rain to the north and west. Highest temperatures of 12 to 15 degrees with light to moderate northwesterly winds becoming southwesterly.
Thursday night: Cloudy with rain or showers affecting most areas. Becoming breezy overnight with a moderate to fresh and gusty southwesterly wind developing. Lowest temperatures of 9 to 13 degrees.
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.