Ulster
Issued at: 13 August 2026 17:30
TODAY - Thursday 13th August
Scattered showers this evening, some heavy or thundery, in light to moderate southwest winds.
TONIGHT
Rather cloudy and humid early tonight with showers and the chance of a few thunderstorms. However, a clearance to fresher conditions will extend from the Atlantic overnight with clear spells and just a few isolated light showers to follow. Lowest temperatures of 12 degrees in the west, still up to 16 degrees in the east, in light to moderate westerly winds.
Pollen Forecast
Moderate on Thursday and Friday.
Solar UV Index
Moderate on Thursday and Friday.
TOMORROW - Friday 14th August
Tomorrow, Friday, will be a fresher day, with a fair deal of cloud around, but some sunny spells too. There'll be plenty of dry weather with just some well scattered showers. Highest temperatures will range from 17 degrees in the west up to 20 or 21 degrees in the east, in light to moderate northwest breezes.
National Outlook
Overview: Mainly dry on Saturday, with the likelihood that it'll be mostly dry on Sunday too. It looks like an Atlantic more changeable regime will take over from Monday.
Friday night: Mainly dry on Friday night with variable cloud and clear spells and just a few isolated showers in the west and north. Lowest temperatures of 11 to 14 degrees in mainly light west to northwest breezes.
Saturday: Saturday will be mainly dry with variable cloud and sunny spells. There'll just be a few isolated light showers, mainly in the north and west. Highest temperatures will range from around 16 or 17 degrees in the northwest to 22 degrees in the southeast in a light to moderate west to northwest breeze.
Saturday night: It looks like Saturday night will likely hold dry for many, though there's the chance that a little showery rain will spread from the west for a time. Lowest temperatures of 11 to 14 degrees with winds decreasing mostly light and variable.
Sunday: Sunday is likely to bring a good deal of dry weather with a mix of cloud and some bright or sunny spells. Cloud is likely to increase through the day with the chance of some rain and drizzle along the west coast later in the day. Highest temperatures of 17 to 22 degrees in light variable breezes, becoming light to moderate southwesterly.
Sunday night: For now it looks like we'll see some scattered outbreaks of rain and drizzle moving in from the west. Lowest temperatures of 13 to 17 degrees in freshening southerly winds.
Monday: Monday will be a breezy day and cloudy for a time with rain spreading eastwards across the country through the morning and early afternoon, heavy at times. The rain will be followed by bright or sunny spells and a scattering of showers. Humid with the rain with highest temperatures of 19 to 23 degrees in fresh and gusty southerly winds, strong at times in coastal parts of the west and south, veering southwest to west as the rain clears.
Monday night: Monday night will be blustery and showery. Lowest temperatures of 13 to 16 degrees in fresh to strong and gusty westerly winds.
Tuesday: Tuesday will bring a mix of cloud, sunny spells and showers and with a longer spell of rain possible further to the north. A cooler, fresher day, with highest temperatures of 16 to 20 degrees and breezy with fresh and gusty westerly winds.
Wednesday: At the moment it looks like Wednesday will bring a good deal of dry weather with bright or sunny spells. Highest temperatures of 15 to 20 degrees in mostly moderate northwest to north winds.
Further outlook: Continuing changeable with further spells of rain or showers and some breezy conditions, interspersed with drier brighter interludes and with temperatures generally close to average.
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.