If you're heading along to a St Patrick's Day parade - wear layers and lots of them.
Met Eireann are predicting weekend temperatures to plummet, with snow and ice expected in parts of the country.
The National forcaster has issued a Status Yellow weather warning for Leinster, Cavan and Monaghan. With low-temperatures and snow showers expected on Saturday night and Sunday.
— Met Éireann (@MetEireann) March 16, 2018
Met Eireann forecaster Klara Finkele said: "Temperatures will gradually fall through the entire period, so by tomorrow morning we will see around three or four degrees on the east coast.
"Tomorrow's temperatures in the afternoon will be just around 1C to 2C, so it will be quite cold. Especially on the eastern side of Ireland, 1C to 2C with a significant wind-chill factor.
"Rain showers in the morning turning wintry through the day.
