Met Eireann is also warning people to enjoy the fine weather while it lasts.
For they say wetter weather will arrive in the county later on Saturday night or Sunday.
However the UK Met Office is being more optimistic, saying the fine weather could last through until next week.
Gardai are also warning motorists to slow down over the weekend as thousands of extra cars take to the roads to get out and about.
Businesses throughout the county are reporting increases in takings as the good weather this week saw an increase in visitors.
Bundoran has been jam-packed all week, with thousands flocking to the seaside amusements and water park.