A forecast chart for Monday, April 5 showing a colder, northerly airflow across Ireland (blue colours) that will bring wintry showers across the island.
The warm weather streak will continue through Easter weekend with highs in the mid 70s to near 80 degrees for the Denver area and in the upper 50s to low 60s for the mountains.
The Road Safety Authority (RSA) urged all road users to exercise care over the Easter weekend. Saturday night will be dry with clear spells, and some patches of mist and fog.
Light rain and drizzle will affect northwestern areas into Sunday afternoon, as temperatures reach just 12 degrees, but cold air will move down from the north into the night.
Easter Sunday will be dry over much of the country with the best of the sunshine in the south.
According to the Met Office; "Many places will be fine and dry for Good Friday, with sunny spells".
People walk alongside the River Thames in Battersea Park
"Afternoon temperatures will range from 8C to 13C but it will gradually become much colder from the northwest during the evening, so some falls of sleet will be possible in Ulster". It will turn drier from Tuesday away from coasts, which will see further wintry showers, but remaining cold with a risk of widespread overnight frost.
"Sunday night will be cold and breezy".
Between Sunday night and Monday morning, temperatures could sink to as low as minus 2C.
Highest temperatures of four to eight degrees will drop on Monday night to between minus two and two degrees once again. "There will be a mix of clear spells and scattered wintry showers, mainly in the north and west and lowest temperatures of minus 2C to 2C", she added. Cloudy to begin with in some places, but sunny spells will develop through the day.
The outlook for Easter Monday here is some snow showers, with spells of hail showers, indicating the arrival of a brief "spring cold snap".