The current cold snap will continue today (Friday, January 8), but more normal temperatures will resume over the weekend, though it will become more unsettled.
Widespread frost and ice will again be seen this morning. Overall it will be dry with bright winter sunshine. However, well scattered wintry showers will occur too, with Ulster and east Leinster most at risk.
Highest temperatures will only be 1° to 5°, in mostly light to moderate northerly breezes. A severe frost will set in quickly after dark.
It will be extremely frosty and icy on Saturday morning (January 9) with freezing fog in parts too. Some wintry showers will affect the east of Leinster, with patchy rain and drizzle gradually moving into the west and northwest.
Other areas will stay dry with some sunny spells, in just light westerly breezes. Highest temperatures will only be 0° to 4°, though a little less cold on west and northwest fringes.
Patchy drizzle will affect parts of the north and west during Saturday night, but otherwise it will be dry under broken cloud. Minimum temperatures will be -3° to +2°, coldest under clearest skies where frost and possible ice will set in. There will be some mist and fog patches too, in just light westerly breezes.
It will be rather cloudy overnight on Sunday, with further patchy drizzle across the west and north, while holding mostly dry elsewhere. Some frost is possible. Minimum temperatures will be 1° to 5°, in moderate southwest breezes.
Monday (January 11) will be cloudy and breezy with outbreaks of rain and drizzle. Maximum afternoon temperatures will be 7° to 10°, in fresh and gusty southwesterly winds. Scattered outbreaks of rain will persist overnight, turning heavy and persistent in places later in the day.
Minimum temperatures on Monday night will be 4° to 7°, in fresh southwest winds.