Ulster
Issued at: 28 September 2026 16:30
TODAY - Monday 28th September
Remaining dry and bright this evening with hazy sunshine and generally light to moderate southeasterly breezes.
TONIGHT
Dry tonight with occasional clear spells. Lowest temperatures of 9 to 11 degrees, with a light to moderate mostly southeasterly breeze, freshening towards morning.
Solar UV Index
Low on Tuesday and Wednesday.
TOMORROW - Tuesday 29th September
Windy tomorrow, with mostly southerly winds increasing fresh to strong and gusty, reaching near gale force in the evening. Some early bright spells, but turning cloudy with patchy rain and drizzle through the afternoon. More persistent and occasionally heavy rain will spread from the southwest in the evening. Mild and humid, with highs of 17 to 19 degrees.
National Outlook
Overview: Unsettled and blustery at first with rain and heavy showers. Likely turning more mixed through the week.
Tuesday night: Rain will clear northeastwards to scattered showers and clear spells from the southwest early on. The showers will be heavy, blustery and possibly thundery at times, especially in the south and west. Strong to near gale southeasterly winds will veer southerly with the clearance of the rain and ease moderate to fresh, stronger near coasts. Lowest temperatures of 10 to 14 degrees.
Wednesday: Blustery with sunny spells and widespread showers, some heavy and thundery. Highest temperatures of 15 to 18 degrees in fresh southerly winds, stronger near western coasts.
Wednesday night: Winds easing and turning drier for most as showers become confined to the west with plenty of clear spells. Lowest temperatures of 8 to 12 degrees in mostly light southerly breezes.
Thursday: Dry for many with sunny spells and scattered showers. A spell of more persistent rain is likely to move into the west later in the day. Highest temperatures of 14 to 17 degrees in moderate, occasionally fresh, southwest winds, backing southerly later.
Friday: There is some uncertainty in the details, with outbreaks of rain currently likely to move in from the west. Highest temperatures of 14 to 18 degrees with moderate to fresh southerly winds.
Further outlook: There is a signal for a ridge of high pressure to build through the weekend with drier and more settled weather developing.
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.