Réamhaisnéis Náisiúnta
Issued at: 15 September 2025 04:49
TODAY - Monday 15th September
Windy today with widespread showers or longer spells of rain, some heavy with the chance of thunder, particularly in the north and northwest where spot flooding is possible. The showers and rain will gradually ease from the southwest through the afternoon with brighter conditions developing, along with just isolated showers. However, spells of rain will continue over Ulster. Highest temperatures of 13 to 16 degrees in fresh to strong and gusty westerly winds, along with coastal gales in the west for a time, beginning to ease later.
TONIGHT
Largely dry tonight with clear spells developing, and just isolated showers mainly in the west. In Ulster, more frequent and widespread showers will continue, beginning to ease by the morning. Lowest temperatures of 8 to 12 degrees in moderate to fresh westerly winds, easing mostly light overnight.
TOMORROW - Tuesday 16th September
A dry and bright start for most tomorrow with just isolated showers. Cloud will build from the southwest through the morning with outbreaks of rain spreading northeastwards through the afternoon and evening, turning heavy at times particularly in the southwest. Highest temperatures of 14 to 17 degrees in light to moderate southerly winds, beginning to strengthen in the evening.
National Outlook
Overview: Unsettled next week with strong winds at times and spells of heavy rain and showers
Monday night: Showers will continue to ease and become more isolated with clear and dry spells developing for most. However, scattered showers will continue in Ulster. Lowest temperatures of 9 to 12 degrees in mostly fresh westerly winds.
Tuesday: Tuesday morning will start off dry and bright for most with just isolated showers. Cloud will build from the southwest through the morning with outbreaks of rain spreading northeastwards through the day. Heavy at times in the west and southwest come the afternoon. Highest temperatures of 14 to 17 degrees in moderate to fresh southwest winds.
Wednesday: Dry for most to start with spells of rain in the northeast. Brighter spells will develop come the early afternoon with isolated showers. Rain will develop from the southwest later Wednesday evening, and clear eastwards across the southern half of the country. Blustery with fresh to strong westerly winds reaching gale force on north and northwest coasts. Highest temperatures of 15 to 18 degrees.
Thursday: A mostly dry and bright start with just a few isolated showers along north and northwest coasts. Isolated showers will develop throughout the day.
Friday: Increased uncertainty but current indications suggest a dry start with spells of showery rain moving in from the southwest by midmorning.
Temperature circle (°C): maximum and minimum temperature forecast for each day. Wind symbol (km/h): arrow points in the direction the wind is blowing. The weather and wind icons: for the time of maximum temperature and minimum temperature.