Ulster
Issued at: 30 August 2026 06:00
TODAY - Sunday 30th August
Cloudy to start with showers becoming more widespread as the day goes on. Downpours will be heavy at times with a chance of thunderstorms and localised flooding. Highest temperatures of 17 to 19 degrees in light to moderate southeasterly winds.
TONIGHT
Remaining with scattered showers, occasionally heavy. Towards morning showers will become more isolated with clear spells developing. Lowest temperatures of 10 to 12 degrees in light to moderate north to northwest breezes.
Pollen Forecast
Low.
Solar UV Index
Low to moderate.
TOMORROW - Monday 31st August
Bright in places to start. Cloud will increase from the west early on bringing outbreaks of rain and drizzle. Highest temperatures of 14 to 17 degrees in moderate to fresh westerly winds, occasionally strong along eastern coastal parts.
National Outlook
Overview: Rather unsettled with occasional rain or showers. Becoming breezy at times too.
Monday night: Cloudy and damp for west and northwest counties with scattered outbreaks of rain and drizzle. Generally dry elsewhere with clear spells. Lowest temperatures of 10 to 14 degrees, with a light to moderate southwesterly breeze.
Tuesday: Mostly dry to begin across the eastern half of the country with sunny spells. However, it will become cloudier everywhere with scattered outbreaks of rain and drizzle moving eastwards, turning heavier later in the day, especially further west. Low cloud and mist in places too. Highest temperatures of 16 to 19 degrees, with a light to moderate southwesterly breeze.
Tuesday night: Rather wet in places with further outbreaks of rain and drizzle, heavy in places, especially across western and northern areas. Mild and humid with lowest temperatures of 13 to 15 degrees. Rather breezy too, with mostly fresh southwest winds, strong and gusty at times along Atlantic coasts.
Wednesday: A breezy day with lingering overnight rain quickly clearing northern areas to leave a mostly dry day with sunny spells and well scattered showers. Warmer than previous days with highest temperatures of 18 to 22 degrees, with fresh southwesterly winds. Mostly dry after-dark.
Thursday: Another breezy day with sunny spells and scattered showers. Highest temperatures of 17 to 21 degrees in moderate to fresh southwest winds. More general rain may move in across the country after-dark.
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.