Ulster
Issued at: 17 June 2026 17:30
TONIGHT
Largely dry at first this evening and tonight with clear spells. Cloud will build overnight with rain moving into southern parts, but elsewhere likely to remain dry until morning. Lowest temperatures of 10 to 13 degrees in light to moderate southerly winds.
Pollen Forecast
Moderate on Wednesday and Thursday.
Solar UV Index
Moderate to high on Wednesday. Low on Thursday.
TOMORROW - Thursday 18th June
After a damp start it will turn drier and brighter tomorrow as the rain becomes patchier and more intermittent through the morning and afternoon. Highest temperatures of 15 to 19 degrees in light southerly winds.
National Outlook
Overview: More uncertainty than usual in the outlook but generally rather changeable and turning wet and unsettled at times.
Thursday night: Mostly cloudy with further outbreaks of rain and drizzle spreading northwards on Thursday night, again heaviest in parts of Munster. A mild and humid night with lowest temperatures of 12 to 15 degrees. Light to moderate southerly winds increasing moderate to occasionally fresh overnight.
Friday: Another wet start with outbreaks of rain in all areas at first on Friday. Brighter, drier and more showery conditions will develop in the west through the morning and gradually extend eastwards as the day goes on, though rain may persist for much of the day in eastern coastal counties. Mostly moderate southerly winds will veer light southwesterly as the rain clears. Highest temperatures of 16 to 20 degrees.
Friday night: Becoming drier Friday night as any remaining scattered outbreaks of rain will become lighter and some clear spells develop. Lowest temperatures of 9 to 12 degrees in light westerly winds.
Saturday: While there is some uncertainty in the exact details, current indications suggest Saturday will bring a drier day with sunny spells and just the chance of an odd light shower. Highest temperatures of 15 to 19 degrees in light southerly or variable winds.
Sunday: Currently Sunday looks like it could see a dry start for most before rain pushes up from the south mainly affecting the western half of the country with brighter and drier conditions further east. Highest temperatures of 17 to 21 degrees in light southeasterly winds.
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.