Temperatures are set to drop below freezing again tonight, and it'll be coldest in the Midlands.
Met Eireann says a widespread frost will develop in the early hours of Sunday, with dry and clear conditions.
Temperatures are expected to recover after tomorrow night though, with lows of about 6 degrees on Monday and Tuesday evening.
Forecaster Eimear Flood explains why it's been so chilly lately:
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"We have a cold airmass and a northerly airflow and clear skies as well which allowed temperatures to drop.
"The temperatures dropped to -2 last night and we're kind of expecting the same again tonight, with the coldest temperatures in the midlands."
