Weather
weather_competition
Overview
Leinster
Today
Cold today with frost, ice and fog or freezing fog patches slow to clear. It'll be mainly dry with sunny spells, but a few wintry showers are possible throughout the day in northern parts. Highest temperatures of 1 to 3 degrees in light to moderate westerly winds.
Tonight
Tonight will be very cold with frost and icy stretches. Most areas will be dry and clear, but there'll be a few wintry showers, particularly in north Leinster. Patches of fog or freezing fog may form too. Lowest temperatures of -4 to 0 degrees in light to moderate northwesterly winds.
Tomorrow
Tomorrowwill be cold with frost, ice and fog or freezing fog patches slow to clear. It'll be a dry and sunny day for most areas, although the odd wintry showers will affect northern parts. Highest temperatures of 1 to 3 degrees with light to moderate northwest to west winds.
National
Today
Treacherous conditions starting out today with a widespread sharp to severe frost, icy stretches and some fog too. Scattered wintry showers of sleet and snow will occur across northern and western counties with local accumulations and the odd rumble of thunder. Spells of winter sunshine for the main elsewhere though the odd flurry may occur too. Later this afternoon, rain will arrive into the southwest, turning to sleet or snow over higher ground. Very cold with highest temperatures of only 1 to 5 degrees in light to moderate westerly winds.
Tonight
Very cold tonight with widespread sharp to severe frost and icy stretches. Scattered wintry showers will continue, most frequent in the North and West, with some snow accumulations. Patches of fog or freezing fog may form too. Lowest temperatures of -6 to -1 degrees in light to moderate northwesterly winds.
Tomorrow
Monday will be another very cold and treacherous start with frost, ice and fog or freezing fog patches slow to clear. It'll be a dry and sunny day for most areas, although a few wintry showers will affect the North and Northwest. Highest temperatures of only 1 to 5 degrees in light to moderate northwest to west winds.
Outlook
Overview: Our weather is set to turn more unsettled as low pressure takes charge with rain spreading from the Atlantic. Monday night: Showers will spread eastwards across the country early on in the night, clearing to leave dry and clear conditions before cloud builds from the west later. Lowest temperatures of -3 to +1 degrees with frost and icy stretches forming early on, in light to moderate southwest winds. Tuesday: Cloud and rain will move in across the western half of the country through the morning, possibly turning to sleet. The rain and sleet will clear southeastwards through the day and will be followed by sunny spells and scattered showers. Highest temperatures of 3 to 8 degrees in light to moderate southwest winds, veering northwesterly through the evening. Tuesday night: Any showers along Atlantic coasts will die out early on becoming dry overnight with clear spells. Cloud will build from the west through the night. Lowest temperatures of -2 to 2 degrees in light northwest to west winds. Wednesday: Rain will spread across the country from the west through Wednesday, possibly turning to sleet over higher ground. Staying cold in the east with highest temperatures of 1 to 4 degrees but milder further west with highest temperatures of 4 to 9 degrees. Moderate south to southwest winds. Wednesday night: Rain looks to clear eastwards early on in the night with clear spells and isolated showers following. Lowest temperatures of 0 to 5 degrees in light westerly or variable winds. Thursday: There is uncertainty in the forecast for Thursday but it's possible that rain will move over the southern half of the country with showers further north. Highest temperatures of 2 to 6 degrees in moderate to fresh southwest winds.
Marine Weather Warnings
Yellow
Yellow Low Temperature/Ice Warning
Temperatures falling to between -2 and -5 degrees generally.
Sharp or severe frost and icy stretches.
Black ice too.
Possible Impacts:
Treacherous travel conditions
Issued: 4 January 2026 17:20
Yellow
Yellow Snow-Ice Warning
Wintry showers with some snow accumulations.
Sharp or severe frost and ice also
Possible impacts:
Hazardous Travel conditions
Poor visibility
Issued: 4 January 2026 17:20
Yellow
Small Craft Warning
North to northwest winds will reach force 6 at times.
Issued: 4 January 2026 17:20
Coastal Reports
Malin Head Automatic
North, 19 Knots, Snow shower, 3 Miles, 1015, Falling slowly
Dublin Airport
West, 10 Knots, Fine, 13 Miles, 1017, Falling slowly
Buoy M5 51° 41'N 6° 42'W
North-Northwest, 16 Knots, Wave ht: 1.4 m, 1018, Falling slowly
Roches Point Automatic
Northwest, 9 Knots, Fair, 21 Miles, 1019, Falling slowly
Sherkin Island Automatic
Northeast, 4 Knots, Fair, 24 Miles, 1020, Falling slowly
Valentia Automatic
East-Northeast, 4 Knots, Fair, 21 Miles, 1020, Falling slowly
Mace Head Automatic
West-Northwest, 6 Knots, Fair, 26 Miles, 1019, Falling slowly
Belmullet Automatic
North-Northeast, 11 Knots, Rain shower, 7 Miles, 1019, Falling slowly
Buoy M2 53° 29'N, 5° 26'W
Northwest, 19 Knots, Wave ht: 1.5 m, 1016, Falling slowly
Buoy M3 51° 13'N, 10° 33'W
North, 3 Knots, Wave ht: 1.8 m, 1020, Falling slowly
Buoy M4 55° 0'N 10° 0'W
North, 24 Knots, Wave ht: 3.3 m, 1018, Falling slowly
Buoy M6 53° 4'N 15° 56'W
West-Northwest, 14 Knots, Wave ht: 3.3 m, 1020, Falling slowly
Sea Area Forecast
Sea Area Forecast until 6:00 Monday 5 January 2026. Issued at 6:00 Sunday 4 January 2026.
Meteorological Situation at 0300: Ireland lies in a mostly moderate to fresh north to northwest airflow between an anticyclone of 1031hPa centered west of Iceland and a depression of 988hPa centred over the Baltic Sea.
Forecast for Irish coastal waters from Loop Head to Fair Head to Dungarvan and for the Irish Sea
Wind: Northwesterly force 4 or 5, occasionally reaching force 6. Soon increasing force 5 or 6, and gusty.
Weather: Mostly fair with scattered showers of rain, snow or hail.
Visibility: Good, decreasing moderate or poor in precipitation.
Forecast for Irish coastal waters from Dungarvan to Mizen Head to Loop Head
Wind: Northwesterly force 2 to 4. Later increasing northerly force 4 or 5, occasionally reaching force 6.
Weather: Mostly fair with scattered showers of rain, snow or hail.
Visibility: Good, decreasing moderate or poor in precipitation.
Outlook for a further 24 hours until 6:00 Tuesday 6 January 2026: Fresh to strong and gusty north to northwest winds, backing west to northwest and decreasing mostly moderate to fresh by Monday night. Winds backing west to southwest and increasing fresh to strong Tuesday morning. Weather: Mostly fair with scattered showers of rain, snow or hail, mainly in the north and west.