Gardai are warning road users to take extra caution on the roads around the county tonight and tomorrow morning, as temperatures drop.
Heavy frost is predicted in southern and eastern areas with a widespread sharp ground frost and the risk of icy patches on any damp roads.
Dry this evening and tonight with long clear periods. Lows of -2 to +2 degrees, coldest over southern parts of the province with a widespread frost forming in the near calm conditions.
To keep up to date with the latest conditions in Wicklow visit Wicklow Weather