It will be rather cloudy in the west of Ulster today with outbreaks of rain and drizzle.
However, it will brighten up this afternoon further east with scattered showers, some heavy with the chance of an isolated thunderstorm, but they will ease later. Highest temperatures of 15 to 19 degrees, mildest in the south and east. Moderate west to southwest winds generally but winds will be fresh in the west with strong winds near windward coasts at times.
Tonight will be mostly cloudy with patchy drizzle in the west and north of the province for a time, otherwise largely dry with variable cloud and clear spells. Cloud will gradually thicken from the northwest overnight with rain and drizzle developing in western coastal parts by morning. Lowest temperatures of 10 to 14 degrees with light to moderate southwest winds, freshening overnight and becoming strong near the west coast.
Tomorrow will be windy and mostly cloudy overall with outbreaks of rain and drizzle spreading from the northwest through the day. Highest temperatures of 14 to 17 degrees in fresh to strong and gusty southwesterly winds, reaching near gale at times along coasts.