Connacht
Issued at: 20 October 2026 11:00
TODAY - Tuesday 20th October
It will become increasingly cloudy this afternoon with outbreaks of rain spreading from the west. The rain may turn heavy in places towards the evening. Highs of 10 to 12 degrees with light to moderate southeasterly winds. The winds will become northwesterly and increase fresh and gusty along the coast with the arrival of the rain.
TONIGHT
Cloudy and wet to start tonight, but the rain will clear to the east early in the night with some scattered showers following. Lows of 5 to 9 degrees with moderate to fresh northwesterly winds.
Pollen Forecast
Nil
Solar UV Index
Low.
TOMORROW - Wednesday 21st October
Wednesday will bring a mix of sunny spells and scattered showers, some heavy. Highs of 9 to 12 degrees with moderate westerly winds.
National Outlook
Overview: Unsettled, with wet and windy conditions at times.
On Wednesday night, showers will continue in Munster and south Leinster for a time and also along the west coast. It will become mainly dry overnight. Lowest temperatures of 2 to 7 degrees with light southwesterly breezes.
Thursday will start off mainly dry. However, heavy rain will develop in the southwest during the morning and will spread northeastwards to all areas through the afternoon, evening and early night with localised flooding possible, especially in Munster and Leinster. Highs of 10 to 13 degrees with moderate to fresh east to northeast winds.
Thursday night will be wet with some heavy falls of rain, which will clear to the east overnight. Winds will veer strong and gusty northwesterly with lows of 5 to 8 degrees.
Friday will be blustery with sunshine and showers and moderate to fresh northwesterly winds. Highest temperatures of 9 to 11 degrees.
On Friday night, rain will move in from the west and will spread eastwards to all areas by morning along with strengthening southerly winds. Lowest temperatures of 3 to 8 degrees.
Saturday will start off wet with rain in all areas. Rain will clear eastwards with showers following. It will become very windy with strong, gusty westerly winds and highest temperatures of 1 to 15 degrees.
Sunday will be a cool breezy day with sunshine and showers and fresh, gusty westerly winds. Highest temperatures of 9 to 11 degrees.
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.