National Forecast
Issued at: 01 December 2025 11:54
TODAY - Monday 1st December
Mostly cloudy today with a further spell of rain spreading from the west this afternoon. Drier and clearer weather will move in across the southwest towards evening. Highest temperatures of 7 to 12 degrees with light to moderate southwesterly winds, fresher near southern coasts.
TONIGHT
A cold night with long clear spells and a touch of frost possible. It will be dry for many with scattered showers mainly affecting western coastal counties. Lowest temperatures of 1 to 5 degrees with mostly light to moderate southerly winds.
TOMORROW - Tuesday 2nd December
A bright, breezy and cool day with sunny spells and some showers. The showers will mainly affect western parts, while the best of the sunny spells will be further east. Highest temperatures of 5 to 10 degrees, coolest in Ulster, with mostly moderate southerly winds, fresher near coasts.
National Outlook
Overview: Low pressure will dominate the weather this week, bringing mixed conditions, with showers, persistent spells of rain and sunny spells forecast.
Tuesday night: A mix of cloudy and clear spells with scattered showers. Lowest temperatures of 2 to 7 degrees, mildest in the west, with light to moderate south to southwest winds.
Wednesday: Starting off dry for most with scattered showers mainly affecting western Atlantic counties. While there will sunny spells further east at first, cloud in the west will spread eastwards, reaching most areas by the afternoon. Rain and drizzle will develop in the west in the afternoon and spread eastwards across the country through the remainder of the day. Highest temperatures of 7 to 11 degrees with light to moderate southwesterly winds, freshening later in the day.
Wednesday night: Rain in the east and north will clear into the Irish Sea early on, giving way to a cold and mostly clear night with scattered showers, some of which could be heavy, mainly affecting Atlantic coastal counties. Lowest temperatures of 1 to 5 degrees with mostly moderate southwesterly winds.
Thursday: A cool, dry and bright day for most with just some isolated showers, with a chance of hail, mainly affecting western and northern areas. Highest temperatures of 5 to 9 degrees with light southerly or variable winds.
Friday: A wet and windy day, it will start off cloudy everywhere with rain in the southwest and west spreading across the country through the day. Highest temperatures of 7 to 12 degrees, coolest further north. Moderate southerly winds will increase fresh to strong with the arrival of the rain.
Further outlook: Low pressure will continue to dominate for the weekend, bringing more unsettled conditions, with further showers and spells of rain pushing in from the Atlantic.
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.