Ulster
Issued at: 20 August 2026 05:30
TODAY - Thursday 20th August
Sunny spells and scattered showers today. Temperatures will reach 15 to 17 degrees and there'll be a mostly moderate northerly breeze. Winds stronger near coasts.
TONIGHT
Clear spells and scattered showers, mainly towards the west. Lowest temperatures of 7 to 11 degrees in light to moderate northwesterly winds.
Pollen Forecast
Low on Thursday and Friday.
Solar UV Index
Moderate on Thursday and Friday.
TOMORROW - Friday 21st August
Sunny spells and further scattered showers, becoming isolated early on in the evening. Highest temperatures of 14 to 17 degrees in light to moderate northerly winds.
National Outlook
Overview: Becoming largely dry for the weekend and start of next week with mainly light winds and some overnight mist and fog.
Friday night: A few isolated showers in the north and west but otherwise dry with long clear spells. Lowest temperatures of 7 to 11 degrees in light northwest or variable winds.
Saturday: Most places will be dry with sunny spells on Saturday. There's just the chance of a stray light shower in the northwest. Highest temperatures of 15 to 19 degrees in light northwesterly winds.
Saturday night: Largely dry with long clear spells. Mist and fog will develop in near calm conditions. Lowest temperatures of 7 to 11 degrees.
Sunday: Mist and fog will gradually clear on Sunday morning and it'll be a largely dry and bright day apart from isolated showers. Highest temperatures of 15 to 19 degrees in light and variable winds.
Sunday night: Another dry and clear night with mist and fog patches forming towards morning. Lowest temperatures of 7 to 12 degrees in light southeast to east winds.
Monday: Mainly dry and bright Monday, cloudier conditions with some showers may move up from the south later in the day. Highest temperatures of 17 to 21 degrees in moderate southeasterly winds.
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.