Ulster
Issued at: 14 September 2026 16:30
TODAY - Monday 14th September
Outbreaks of rain becoming widespread this evening, turning heavy and persistent in many places with a slight chance of thunder.
TONIGHT
Outbreaks of rain will clear eastwards overnight, followed by scattered showers and clear spells, a few of the showers heavy. Lowest temperatures of 10 and 12 degrees with moderate southwesterly winds, easing and becoming westerly with the clearance of the rain.
Pollen Forecast
Low on Monday and Tuesday.
Solar UV Index
Generally low, but moderate in any sunny spells.
TOMORROW - Tuesday 15th September
Tomorrow, Tuesday, will be a bright day with a mix of sunny spells and scattered showers, possibly heavy in the morning and afternoon. Feeling cooler than recent days with highest temperatures of 14 to 17 degrees in light to moderate west to northwest winds, fresher on the coast.
National Outlook
Overview: Changeable with a mix of sunny spells and rain or showers at times.
Tuesday Night: Scattered showers will become mainly confined to the north and west overnight and with isolated showers elsewhere. Lowest temperatures of 9 to 13 degrees in light to moderate westerly breezes.
Wednesday: A mix of well-scattered showers and sunny spells Wednesday morning, remaining dry for many. Cloud will begin to build in the west through the afternoon, bringing patches of drizzle. Highest temperatures of 15 to 17 degrees in a light to moderate westerly breeze.
Wednesday night: Cloudy with outbreaks of rain and drizzle moving eastwards across the country before clearing to scattered showers. Lowest temperatures of 9 to 12 degrees in moderate southwesterly winds.
Thursday: Sunny spells and scattered showers, becoming blustery at time with moderate to fresh and gusty westerly winds. Possibly cloudier with more persistent rain at times, particularly in the north. Highest temperatures of 14 to 17 degrees.
Friday: A dry start to Friday with some sunny spells possible, though rain will develop through the day. Highest temperatures of 14 to 18 degrees in mostly moderate southwesterly breezes.
Outlook: Remaining quite changeable with further rain and showers in store for the weekend, though there will be dry and bright periods too. Daytime temperatures ranging from the mid to high teens.
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.