Met Éireann is forecasting a mixture of sunny spells and scattered showers for Donegal today.
According to the national forecaster, the showers mainly be in west Ulster during the morning, extending further east later in the day.
Some of the showers will turn heavy at times. Highest temperatures of 14 to 17 degrees, in mostly moderate westerly winds.
Tonight, it will be mostly dry with clear spells in the east, cloudier in the west with scattered showers.
Lowest temperatures 10 or 11 degrees in the west, a cooler 7 to 9 degrees further east with some mist patches developing in light southerly or variable breezes.