National Forecast
Issued at: 19 March 2026 15:00
TODAY - Thursday 19th March
Dry for the rest of today with widespread hazy sunshine. Top temperatures of 13 to 19 degrees, in a mostly light easterly breeze, moderate at times near southern coasts.
TONIGHT
Tonight will be dry and clear, though some areas of mist and fog may form in light southerly or variable breezes Rather cold with lowest temperatures of 0 to 5 degrees.
TOMORROW - Friday 20th March
On Friday morning, any mist and fog will quickly clear to leave another dry day with plenty of sunshine, hazy at times. However, coastal fog may impinge on some southern and eastern coasts. Another pleasantly mild day with top temperatures of 12 to 18 degrees, in just light southerly breezes.
National Outlook
Overview: High pressure remains dominant at first. Turning increasingly unsettled through Sunday and into early next week.
Friday night: Mostly dry with long clear spells, though becoming a touch cloudier in the northwest. Lowest temperatures of 0 to 4 degrees in near calm conditions with areas of mist and fog forming.
Saturday: Fog will clear most areas through the morning though may linger near some coasts. A dry day with hazy sunshine for most, though it will be duller in parts of the northwest with a few spots of light rain or drizzle possible here. Highest temperatures of 11 to 14 degrees in light southerly or variable breezes.
Saturday night: Another mostly dry night with clear spells, again with mist and fog forming. However, cloud will build in the northwest with patchy rain and drizzle developing here towards morning. Lowest temperatures of 1 to 6 degrees with mostly light southwesterly winds.
Sunday: Starting off dry for most with bright spells in the southeast. Becoming cloudier through the morning with patchy rain or drizzle in places. The rain will be more persistent in Connacht and Ulster for a time. Highest temperatures of 10 to 13 degrees with light to moderate westerly winds, veering northwesterly through the day.
Monday: Current indications show a damp and breezy day with outbreaks of rain and moderate to fresh southwesterly winds. Cooler than previous days with highest temperatures of 8 to 11 degrees.
Further outlook: Likely continuing unsettled with further spells of wet and breezy weather.
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.