Ulster
Issued at: 21 October 2026 14:30
TODAY - Wednesday 21st October
Rain in the east will clear later this afternoon. Mainly dry with sunny spells developing in the west, but a few scattered heavy showers will push into the west later. Blustery with moderate to fresh, gusty westerly winds. Cool with highest temperatures of just 9 to 12 degrees.
TONIGHT
A few scattered heavy showers tonight, mostly clearing by morning. Clearing skies and light winds will allow temperatures to fall to 0 to 3 degrees with frost and possibly some icy patches.
Pollen Forecast
Low
Solar UV Index
Low
TOMORROW - Thursday 22nd October
Thursday will be largely dry apart from a few scattered showers, mainly in the west. Sunny spells early in the day with cloud increasing later. Highest temperatures of 11 or 12 degrees in light southerly winds.
National Outlook
Overview: Very unsettled, with frequent wet and windy spells.
Thursday night will be very wet and windy, stormy even in the southeast. Widespread heavy and persistent rain will affect much of the country with some flooding expected across southern and eastern counties. Isolated thunderstorms will occur too. Cyclonic variable winds will veer northwest and further strengthen overnight, reaching gale force in places. Lowest temperatures of 5 to 8 degrees.
On Friday, lingering wet and windy weather will clear eastern counties by around mid-morning. Sunshine and well scattered blustery showers elsewhere will follow for the rest of the day, mainly affecting western counties. Highest temperatures of 9 to 13 degrees. Fresh and gusty northwest winds will moderate before evening.
Friday night will be largely dry and clear early on. However, wet and rather windy weather is expected to move in from the west later in the night. Lowest temperatures of 3 to 8 degrees. Westerly winds will back southerly and freshen, with strong and gusty winds near south and west coasts.
Saturday will be rather wet and windy early on with spells of heavy rain, turning more showery through the day. Fresh to strong and gusty south to southwest winds, will reach gale force in some Atlantic areas. Humid with highest temperatures of 12 to 16 degrees, mildest across Munster and Leinster.
During Saturday night, some thundery showers will affect the north and west with the odd heavy shower arriving further east. Lowest temperatures of 6 to 9 degrees in a brisk westerly wind.
Sunday will be a cool breezy day with sunshine and showers, some heavy, especially in the west and north. Highest temperatures of 9 to 12 degrees in a fresh and gusty westerly wind.
Sunday night will be largely dry with clear spells. Some areas of mist and fog will form though, in just light to moderate south to southwest winds. Lowest temperatures of 4 to 8 degrees.
Public Holiday Monday is expected to be wet and windy. Mild and humid too.
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.