The country saw a return to last week's low temperatures on THursday night as the mercury dipped to -3 degrees in Offaly, but Met Éireann are forecasting a slight increase on Friday.
They say that frost left behind from Thursday night will clear quickly on Friday morning but warned that fog patches may linger for a time.
There'll be good sunshine for the northern half of the country at first, but cloud will gradually increase and rain will develop across the south in the early afternoon.
Highest temperatures of 7 to 9 degrees with southeasterly winds steadily freshening.
Friday night will see rain will gradually push northwards, turning heavier overnight. Temperatures won't be as cold as Thursday night, hanging around 3 or 4 degrees in moderate to fresh southeasterly winds.
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