Ulster
Issued at: 21 August 2026 06:00
TODAY - Friday 21st August
A mix of sunny spells and scattered showers. The showers will die off from the north in the evening. Highest temperatures of 13 to 17 degrees, coolest in the northwest, with a light to moderate northwesterly breeze.
TONIGHT
Dry for most with a mix of cloud and clear spells, and just the odd light shower possible. Lowest temperatures of 6 to 10 degrees, with a light northwesterly or variable breeze.
Pollen Forecast
Low.
Solar UV Index
Moderate.
TOMORROW - Saturday 22nd August
Mostly dry with sunny spells, and just the odd light shower possible. Highest temperatures of 14 to 18, with a light northerly breeze.
National Outlook
Overview: Staying mostly dry with some sunshine for the weekend and Monday, before becoming unsettled then with showers or more persistent spells of rain.
Saturday night: Dry for most with clear spells, but a little bit cloudier in the northwest with the chance of a light shower. Some mist and fog patches will develop too. Lowest temperatures of 5 to 10 degrees, with near calm conditions or light variable breezes.
Sunday: Any mist and fog will clear through the morning, leaving a dry day for most with sunny spells and just the odd light shower about. Highest temperatures of 16 to 20 degrees, with light southerly or variable breezes.
Sunday night: A dry night with long clear spells, allowing mist and fog patches to form in just light variable breezes or near calm conditions, and with lowest temperatures of 7 to 11.
Monday: Dry and bright for most of the day, before cloud and possibly some showers move up from the south in the evening. Warmer than previous days with highest temperatures of 18 to 22 degrees, and a light to moderate southeasterly breeze.
Tuesday: Current indications are for quite a bit of cloud with showers or more persistent spells of rain moving up from the south, some of which could be heavy or even thundery. Highest temperatures of 17 to 21 degrees, with moderate southeast to east winds.
Further outlook: Staying unsettled for the next few days with showers or more persistent spells of rain.
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.