Met Eireann forecasters are warning that icy, cold conditions are on the way with a risk of snow on higher ground.
A Status Yellow low temperature/ice alert is in place for Carlow, Kildare, Kilkenny, Laois, Longford, Meath, Offaly, Westmeath, Wexford, Wicklow, Cavan, Donegal, Monaghan, Munster, and Connacht.
The warning is in effect until 10am this morning.
Read more: Met Eireann issues urgent ice weather warning as 'hazardous conditions' to hit
A forecaster from Met Eireann said: "Any frost, ice and fog will clear tomorrow morning, leaving a largely dry and bright day with sunny spells developing.
"Turning breezier through the day as light to moderate southerly winds increase fresh to strong.
"Highest temperatures of 9 or 10 degrees.
"Becoming cloudy with rain spreading to most areas from the southwest overnight, turning heavy at times. Quite breezy with moderate to fresh southeasterly winds and lowest temperatures of 4 to 8 degrees."
Meanwhile, unsettled conditions may bring heavy or thundery showers on Friday before a spell of wet and windy weather develops over the weekend.
Read more: Met Eireann forecasts heavy rain with risk of 'spot flooding' and snow on higher ground
Read more: Met Eireann issues triple weather warning as Ireland braces for snow and 'violent' storm-force winds
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