Connacht

Issued at: 12 September 2026 12:00

TODAY - Saturday 12th September

A rather cloudy day with some scattered showers and just a few bright or sunny spells. Highest temperatures of 16 to 18 degrees, with moderate or fresh west to southwesterly winds easing in the evening.

TONIGHT

It will be cloudy tonight with some patchy outbreaks of rain developing early on. A few patches of mist and fog will also form. The rain will clear to the east later in the night. Lowest temperatures of 10 to 14 degrees with light and variable winds.

Pollen Forecast

Low today and Sunday

More information

Solar UV Index

Moderate in any sunshine today and Sunday

UV Index

TOMORROW - Sunday 13th September

Tomorrow, Sunday, will be another rather cloudy day with just a few bright or sunny spells and some isolated showers. Highest temperatures of 17 to 19 degrees with mostly moderate south to southwesterly winds.

National Outlook

Overview: Mixed conditions for the coming week with rain or showers at times.

Sunday night will start off mainly dry with clear spells and just a few showers. Rain will develop in the west and southwest overnight. A mild night with lowest temperatures of 12 to 14 degrees, with light to moderate south to southwest breezes.

On Monday morning, rain will spread eastwards to all areas and will be heavy at times. It will clear through the afternoon and evening with scattered showers following from the west. Highest temperatures of 18 to 23 degrees, warmest in the east with moderate to fresh southwesterly winds, veering westerly as rain clears.

Tuesday will be fresh and breezy with sunny spells and showers, some heavy. Cooler than previous days with highest temperatures of 14 to 18 degrees, with moderate to fresh west to northwest winds.

Wednesday will start off with a fair amount of dry weather and some showers. By early evening, rain will develop in the west. It will spread eastwards to all areas early on Wednesday night and will clear overnight with scattered showers following. Highest temperatures of 14 to 18 degrees with south to southwest winds increasing fresh and gusty and becoming westerly overnight as rain clears.

Thursday will be a cool, fresh, breezy day with sunshine and showers. Highest temperatures of 14 to 17 degrees with moderate to fresh, gusty westerly winds.

Further outlook: some further showers on Friday and rain at times next weekend.