Ulster
Issued at: 20 October 2025 06:00
TODAY - Monday 20th October
Sunny spells and showers today after some early mist and fog patches. Highest temperatures of 12 to 15 degrees with mostly light north to northwest winds or variable.
TONIGHT
Showers merging to longer spells of rain, will spread eastwards tonight. Lowest temperatures of 7 to 11 degrees in light to moderate westerly winds, fresher near coasts, and picking up a little towards morning. There'll be a few mist and fog patches too.
Solar UV Index
Low
TOMORROW - Tuesday 21st October
Tomorrow will bring variable cloud with scattered outbreaks of rain and drizzle. Highest temperatures of 10 to 13 degrees in mostly moderate west to northwest winds, fresher near coasts.
National Outlook
Overview: Mixed and changeable. Turning colder.
Largely dry with long clear spells on Tuesday night, apart from isolated coastal showers in the west and north. Lowest temperatures of 3 to 8 degrees with light to moderate westerly winds, backing light southwest or variable overnight. Patchy mist and fog too.
Some uncertainty in the detail at present for Wednesday and Thursday. Current indications suggest Wednesday will be mainly dry and bright at first with hazy sunshine and just a few showers, mainly in the west and north. Cloud will increase from the south and west through the day with outbreaks of heavy rain developing, reaching eastern and northern parts in the early night. Highest temperatures 11 to 14 degrees.
Rain on Wednesday night will gradually clear to showery conditions on Thursday with sunny spells as it turns colder. Quite windy too with blustery west to northwest winds. Highs of 9 to 11 degrees.
Blustery west to northwest winds continuing to feed down showery conditions for Friday with some rain or hail showers but sunny spells too. Highs of 9 to 12 degrees.
The colder trend looks like continuing for next weekend.
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.