The national forecaster has also issued a country-wide wind advisory in place from 6pm this evening until 6pm on Saturday.
"Unseasonably windy weather is expected to affect the country during the period.
"Given the time of year, there is potential for wind-related impacts such as debris from trees and movement of unsecured outdoor items," Met Éireann stated.
Later tonight Cork could see some heavy outbreaks of rain with a possibility of thunder.
Tomorrow will remain unsettled with "a mix of sunshine and scattered showers, some with hail and thunder."
Southwesterly winds will remain fresh to strong throughout the day with gales on the coasts.
A status orange marine warning was also issued at 12pm today.
"Southeasterly gales or strong gales developing this afternoon and evening on Irish Coastal Waters from Roches Point to Loop Head to Bloody Foreland," Met Éireann stated.
"Sunshine and showers" have been forecast for Saturday, whilst Sunday is expected to remain mostly dry.