It is expected to remain cold this week, with Met Éireann warning of wintry precipitation, as well as frost and icy patches at times and temperatures dropping to below zero at night.
Monday - It should remain dry in most places to begin with on Monday, with any lingering frost patches clearing early. There will, however, be some further outbreaks of rain in western and southern coastal areas, which will extend eastwards to all regions by the afternoon. These falls will be heavy for a period and some may even be followed by sleet, especially in northern hilly areas.
Rain will be joined by fresh to strong and gusty south to southwesterly winds on Monday, gale force along Atlantic coastal areas. The evening time will see conditions becoming clearer but colder, with wintry showers later in the evening and winds veering northwesterly in direction. It will remain cold on Monday, with maximum temperatures on the day of 4 to 8 degrees, warmest in southern counties.
Monday night will be wintry, with some falls of rain, hail, sleet and snow and the risk of “the odd thundery burst” overnight. Showers will be heaviest in hill and mountain regions. It will be cold overnight, with frost and ice patches forming and temperatures ranging from -2 to +2 degrees Celsius. Breezes will be light to moderate and westerly in direction.
Dry in many areas at first today with frost clearing. Outbreaks of rain already along W & SW coasts, will gradually extend eastwards to all areas during the course of the aft & eve. Rain will be heavy for a time & may be preceded by sleet over N hills. Cold, highs of 4 to 8 deg. pic.twitter.com/7FXeVya85D— Met Éireann (@MetEireann) 21 January 2019
Tuesday - Another cold start on Tuesday, with a mixture of sunny spells and scattered wintry showers in the morning and “a light dusting of snow” to start the day. Any showers will be a mixture of rain, hail, sleet and snow, and most frequent in Western and Northern counties. Wintry showers will become isolated to northern areas by Tuesday evening. Top temperatures on the day of 3 to 6 degrees, with moderate to fresh and gusty west to northwest winds, strong at times in coastal areas.
Tuesday night will see showers continuing, though mainly in the west and northern coastal areas, with some wintry falls in parts of Ulster also. It should remain dry overall, with some good clear spells overnight and widespread frost forming. It will again be cold, with temperatures from -2 to +2 degrees and light, westerly breezes.
Wednesday - A “crisp frosty start” on Wednesday, though it will remain dry in most areas to begin with. It is expected to be dull in the morning, with showers gradually moving in off the Atlantic coast. These should hit eastern areas later in the day. It will again feel cold on Wednesday, with temperatures ranging from 4 to 8 degrees, coolest in the east.
Some showery weather to begin with overnight on Wednesday, before conditions clear to leave cold and frosty conditions. It will again be cold, with temperatures from -2 to + 5 degrees.
Thursday - Current forecasts suggest another cold and frosty start on Thursday, with some sunny spells also. It will remain cloudy, with scattered outbreaks of rain moving across the country during the day. It will again be cold, especially as the evening sets in.
Overnight temperatures on Thursday are expected to vary from 0 to + 5 degrees, with near calm conditions, as well as some mist and fog in places.
Friday - A much milder day forecast for Friday, according to Met Éireann, as temperatures vary from 8 to as high as 10 degrees. Winds will be moderate and westerly in direction, though it will be cloudy with some patchy rain, mainly in Atlantic coastal counties. Sunniest weather will be experienced in the East and Midlands.