Uladh
Issued at: 18 August 2026 16:00
TODAY - Tuesday 18th August
A cloudy evening with showers or longer spells of rain, and moderate southwesterly winds, fresher in coastal areas.
TONIGHT
Cloudy at first tonight with scattered showers. Clear spells will develop overnight, but showers will turn more frequent later with some heavy falls possible. Lowest temperatures of 11 to 13 degrees in light to moderate southwesterly winds, fresh on coasts.
Pollen Forecast
Low on Wednesday and Thursday.
Solar UV Index
Moderate on Wednesday and Thursday.
TOMORROW - Wednesday 19th August
There will be a mix of sunny spells and frequent showers tomorrow. Some of the showers will be heavy with the chance of isolated thunderstorms. Highest temperatures of 16 to 18 degrees in moderate, occasionally fresh, west to southwesterly winds.
National Outlook
Wednesday night: Scattered showers mixed with clear spells. Some of the showers will be heavy, especially in the northeast early in the night. Lowest temperatures of 10 to 14 degrees with light to moderate west to northwest winds, occasionally increasing fresh and gusty.
Thursday: Sunny spells and scattered showers, possibly turning heavy at times in the east. Highest temperatures of 15 to 20 degrees with a moderate to fresh northerly breeze.
Thursday night: Clear spells and scattered showers, mainly in the north and west. Lowest temperatures of 7 to 11 degrees with light to moderate northwesterly winds.
Friday: Sunny spells and scattered showers on Friday, mainly in the north and west at first but becoming more widespread through the day. Highest temperatures of 14 to 19 degrees with light to moderate northerly winds.
Friday night: A few showers in the north and west but otherwise dry with long clear spells. Lowest temperatures of 6 to 11 degrees with light north to northwest winds.
Saturday: Most places will be dry with sunny spells on Saturday. Highest temperatures of 15 to 19 degrees with light and variable winds.
Saturday night: Largely dry with long clear spells. Mist and fog will develop in near calm conditions. Lowest temperatures of 7 to 10 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 with light and variable winds.
Further outlook: Another largely dry and bright day on Monday, but potentially turning unsettled again from Tuesday.
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.