Ulster

Issued at: 19 January 2026 06:00

TODAY - Monday 19th January

Cloudy with outbreaks of rain and drizzle.Highest temperatures of 5 to 9 degrees, with light variable winds.

TONIGHT

Any lingering rain or drizzle will mostly clear during the first half of the night, leaving mainly dry and cold conditions with clear spells, allowing some patches of frost and ice to form. Some mist and fog patches will also develop in light variable winds. Lowest temperatures of -2 to +2 degrees.

Solar UV Index

Low.

UV Index

TOMORROW - Tuesday 20th January

Starting off cloudy with wet and windy conditions moving spreading northwards through the late morning and afternoon. The rain will be heavy at times. Highest temperatures of 5 to 9 degrees, with fresh to strong and gusty southeasterly winds easing in the evening.

National Outlook

Overview: Unsettled and mixed weather with showers, more persistent spells of rain, and breezy conditions all forecast.

Tuesday night: Breezy with scattered showers or more persistent spells of rain and just limited clear spells. Lowest temperatures of 2 to 6 degrees, with moderate to fresh and gusty southeasterly winds.

Wednesday: Current indications are that further north will see a mix of sunny spells and scattered showers, while further south will be cloudier with more persistent outbreaks of rain. Highest temperatures of 6 to 10 degrees, with moderate to fresh easterly winds, stronger on southern and eastern coasts.

Wednesday night: Widespread showers or more persistent spells of rain with limited clear spells. Lowest temperatures of 3 to 7 degrees with light to moderate cyclonic variable winds.

Thursday: Current indications are for scattered showers with limited bright spells. Highest temperatures of 6 to 9 degrees, with light to moderate southeasterly winds.

Friday: The detail is uncertain but current indications are for a breezy day with a mix of sunny spells and scattered showers or more persistent outbreaks of rain spreading northwards across the country. Highest temperatures of 5 to 8 degrees, with moderate to fresh southeasterly winds, stronger on Atlantic coasts.

Further outlook: While the detail is uncertain, low pressure continuing to dominate, bringing further showers or more persistent spells of rain.