Ulster

Issued at: 02 December 2025 12:00

TODAY - Tuesday 2nd December

A bright and rather cold day with sunny spells and showers. The showers will be most frequent in the west of the province and some will be heavy with the chance of hail and thunder. Highest temperatures of 6 to 8 degrees in moderate southwest winds, fresher in coastal areas.

TONIGHT

There will be clear spells and scattered showers to start tonight, but cloud will increase and showers will merge to longer spells of rain for a time. Lowest temperatures will range from 1 to 6 degrees, mildest in coastal areas, in light or moderate south to southwest winds, fresher again in coastal areas.

Solar UV Index

Low.

UV Index

TOMORROW - Wednesday 3rd December

It will be a mostly cloudy start to tomorrow, Wednesday with showers or longer spells of rain. The showers will become more isolated in the afternoon and some bright or sunny spells will develop before cloud increases again towards evening. Highest temperatures of 6 to 9 degrees, with light to moderate southwest winds, freshening later in the day.

National Outlook

Overview: Low pressure will continue to dominate this week bringing unsettled weather. Conditions will be mixed, with showers, persistent spells of rain and sunny spells forecast.

Wednesday night: Rain from the southwest will gradually move northeast towards morning. Showers will follow in behind, some turning heavy at times, with the chance of hail and isolated thunderstorms. Lowest temperatures of 0 to 5 degrees in light to moderate southwesterly winds.

Thursday: Variable cloud with bright or sunny intervals on Thursday. Showers will mainly affect Atlantic coastal counties, and some of those showers will be heavy with hail and a chance of isolated thunderstorms. Highest temperatures of 6 to 9 degrees in mainly light to moderate southerly winds, but its will become blustery near southwestern coasts as south to southwest winds increase fresh to strong and gusty there.

Thursday night: Staying dry and clear for most with scattered showers lingering over parts of the north and west. Lowest temperatures of 1 to 5 degrees in light to moderate west to southwest or variable winds.

Friday: A wet and rather windy day with rain from the southwest spreading northeastwards across the country through the day. Scattered showers will follow in behind overnight, some heavy at times, with a brief dry spell early on for parts of the east. Afternoon highs of 5 to 8 degrees in the north, and 8 to 12 degrees elsewhere. Moderate southeasterly winds will increase fresh to strong and gusty with the arrival of the rain.

Saturday: Cloudy with widespread showers, becoming mores isolated towards the evening with clearer spells developing overnight for most. Highest temperatures of 8 to11 degrees. Moderate southwesterly winds, strong to gale force strength along western and southern coasts.

Sunday: A mostly dry start with a few isolated showers. Rain from the southwest will move in through the day and slowly clear northwards through the late evening. Highest temperatures of 7 to 12 degrees, coolest in the north, in light to moderate south to southeast winds.