Connacht
Issued at: 17 August 2026 16:00
TODAY - Monday 17th August
A cloudy evening, with outbreaks of rain spreading eastwards and turning heavy in places. Westerly winds will be mostly moderate.
TONIGHT
Cloudy tonight, with rain clearing away to the southeast early on. Scattered showers and some patches of drizzle and mist will follow for the rest of the night. Mild, with lowest temperatures of 13 to 15 degrees in light to moderate westerly winds.
Pollen Forecast
Low on Tuesday and Wednesday.
Solar UV Index
Low to moderate on Tuesday. Moderate on Wednesday.
TOMORROW - Tuesday 18th August
A mostly cloudy start to tomorrow, Tuesday, with scattered showers. It will brighten up through the afternoon with some sunny spells developing, before more frequent showers or longer spells of rain feed in from the west towards evening. Highest temperatures of 16 to 19 degrees in mostly moderate westerly winds.
National Outlook
Overview: Mixed conditions with showers or longer spells of rain at times. Occasionally breezy too with temperatures in the high teens to low twenties.
Tuesday night: Dry with clear spells for most. Scattered showers will mainly affect the west and north, becoming heavy at times in the northwest towards morning. Cooler than previous nights with lowest temperatures of 11 to 14 degrees in moderate southwesterly winds.
Wednesday: Showers will become widespread across the country, turning heavy and merging to longer spells of rain at times. Breezy with moderate to fresh westerly winds, strong at times near Atlantic coasts, with highest temperatures of 16 to 21 degrees.
Wednesday night: Showers will ease becoming mostly confined to the north and west with clear spells developing elsewhere. Lowest temperatures of 10 to 14 degrees with winds easing light to moderate and becoming northwesterly.
Thursday: Another day of showers becoming widespread and again turning heavy and prolonged in places. Highest temperatures of 15 to 20 degrees with moderate, occasionally fresh, northerly winds.
Friday: Sunny spells and showers, not as widespread as previous days with more in the way of drier weather likely. Highest temperatures of 14 to 19 degrees with moderate northerly breezes.
Further outlook: Current indications show a more settled picture for next weekend with sunny spells and just isolated showers. Temperatures will likely range from the mid to high teens.
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.