Met Éireann is forecasting a mixture of sunny spells and frequent showers today for Donegal.
According to the national forecaster, it will be blustery with a mix of sunny spells and frequent showers, some of which will be heavy with the potential for isolated thunderstorms.
Highest temperatures of 12 to 14 degrees in moderate to fresh and gusty westerly winds, easing in the afternoon.
Showers will continue overnight and some will be heavy. Drier weather will develop over east Ulster.
Chilly in places with lowest temperatures of 5 to 8 degrees, mildest on western coasts, in light to moderate southwest winds.
Tomorrow will bring scattered showers and sunny spells, some showers heavy.
Showers may become prolonged in south Ulster later in the evening.
Highest temperatures of 11 to 13 degrees with light to moderate southwest winds, becoming light variable in the afternoon.