Uladh
Issued at: 21 January 2026 05:30
TODAY - Wednesday 21st January
Showers and some sunny spells at first, but later this morning cloud and rain will move in from the south and will persist through most of the day. Turning breezy with moderate to fresh and gusty easterly winds, occasionally becoming strong. Highest temperatures of 5 to 9 degrees. A combination of spring tides and onshore winds may result in coastal flooding, particularly at high tide on eastern coasts.
TONIGHT
Tonight will be cloudy with outbreaks of rain and areas of mist and fog. Lowest temperatures of 5 to 8 degrees with moderate to fresh easterly winds.
TOMORROW - Thursday 22nd January
Tomorrow will be mostly cloudy and misty with outbreaks of rain, turning heavy at times. Highest temperatures of 6 to 9 degrees with light to moderate easterly winds, occasionally becoming fresh.
National Outlook
Thursday Night: Rain will clear northwards early on Thursday night, leaving scattered showers and clear spells, however areas of mist and fog will develop. Moderate to fresh easterly winds in Ulster at first, but otherwise winds will be light and variable. Lowest temperatures of -2 to +3 degrees, coldest in Munster.
Friday: Cloud and patchy rain or drizzle will develop in the south on Friday morning and will spread northwards through the day, with clear spells and showers following in the south during the evening. Becoming breezy with moderate to fresh easterly winds. Highest temperatures of 5 to 9 degrees.
Friday night: Cloudy with patchy light rain or drizzle in northern areas and showers near the south coast. Dry with clear spells across the centre of the country. Lowest temperatures of 4 to 8 degrees with a moderate to fresh easterly breeze.
The Weekend: There is some uncertainty in the forecast for the weekend but current indications are for patchy rain or showers at times but also some drier and brighter intervals. Breezy on Saturday with moderate to fresh easterly winds but becoming calmer on Sunday. Highest temperatures of 5 to 9 degrees.
Outlook for next week: Low pressure is forecast to remain in charge, bringing generally unsettled conditions. Potentially turning cooler early next 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.