Cloudy day ahead
Frost will clear this morning but fog may linger in patches for a time, according to Met Eireann.
The national forecaster said there'll be sunshine for the northern half of the country at first, but cloud will gradually increase and rain will develop across the south through the rest of the morning and early afternoon.
Highest temperatures of 7 to 9 degrees are expected.
Tonight, it said rain will gradually push northwards this evening, turning heavier overnight. Lowest temperatures of 3 or 4 degrees in moderate to fresh southeasterly winds.