It will be a bright, cold start to the morning across Donegal, according to Met Éireann.
The national forecaster says there will be a mix of cloud and good sunny spells developing.
Well scattered showers will occur but becoming mostly dry by the evening.
Highest temperatures of 6 to 9 degrees in moderate to fresh northerly winds, easing later.
Tonight will be predominately dry and cold with a mix of cloud and clear spells with just the possibility of an odd passing shower.
Lowest temperatures of -1 to +3 degrees, coldest in the south of the province, in light northerly breezes. Frost and mist patches will form.