Ulster
Issued at: 09 September 2026 17:00
TODAY - Wednesday 9th September
Mostly cloudy with isolated showers. Light to moderate west to southwest winds.
TONIGHT
Cloudy with outbreaks of rain gradually moving in from the west and southwest overnight. Lowest temperatures of 9 to 13 degrees with mostly moderate southerly winds, increasing moderate to fresh.
Pollen Forecast
Low Thursday and Friday.
Solar UV Index
Low to moderate on Thursday. Moderate on Friday.
TOMORROW - Thursday 10th September
Tomorrow, outbreaks of rain will be widespread with some heavy bursts. A clearance to sunny spells and well-scattered showers will follow from the west during the afternoon. Highest temperatures of 14 to 16 degrees in a moderate to fresh, southerly wind, veering moderate westerly.
National Outlook
Overview: Changeable with dry and bright days, followed in turn by wet or showery ones.
Thursday night: A mix of cloud and clear spells with showers continuing to ease, and become more isolated. Showers will generally become confined to the northwest with parts of the southeast remaining dry overnight. Lowest temperatures of 9 to 12 degrees, feeling coolest under clear skies with light to moderate westerly winds, fresher along Atlantic coasts.
Friday: A generally dry and bright day with a mix of sunny spells and just a few isolated showers. Highest temperatures of 15 to 18 degrees, with just light to moderate westerly breezes, backing southwest. However, cloud will increase from the west later in the day, with outbreaks of rain developing along the Atlantic seaboard in the evening, in a freshening southerly wind.
Friday night: Rain will develop across the north and west during Friday night, turning heavy at times. Mild and breezy with lowest temperatures of 13 to 15 degrees in moderate to fresh south to southwest winds, strong and gusty along coasts.
Saturday: Cloudy and wet with widespread rain, turning heavy at times. Drier weather will develop in the north and west through the afternoon and evening, but rain will persist in the south and east. Moderate to fresh southwest winds will gradually ease towards evening with highest temperatures of 17 to 21 degrees.
Saturday night: The rain will clear away to the southeast on Saturday night, leaving mostly dry conditions with just a few patches of drizzle. Light westerly breezes will allow mist and fog patches to set in too. Lowest temperatures of 10 to 15 degrees.
Sunday: Starting off dry and bright for most apart from the odd patch of mist or fog. Generally staying dry across the country with sunny spells. Cloud will increase from the west towards evening. Highest temperatures of 15 to 19 degrees in light or variable northwest breezes.
Further outlook: Changeable conditions will continue into next week with spells of rain or showers. Monday will be warm with highs of 17 to 21 degrees, before dropping back to the mid teens for the rest of the week.
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.