Connacht

Issued at: 12 January 2026 12:30

TODAY - Monday 12th January

A mix of showers, some possibly heavy and limited sunny spells. Highest temperatures of 7 to 10 degrees with moderate to fresh southwesterly winds, decreasing light to moderate this evening.

TONIGHT

Mostly cloudy, with showers merging into longer spells of rain overnight. Lowest temperatures of 1 to 4 degrees with light and variable winds.

TOMORROW - Tuesday 13th January

Rain will quickly clear eastwards tomorrow morning, with sunny spells and isolated showers following. Highest temperatures of 5 to 8 degrees with light to moderate west to northwest or variable winds.

National Outlook

Overview: Generally unsettled with low pressure dominating.

Tuesday night: Clear spells and isolated showers, mainly in the north and west. Cloud will increase in the west towards morning. Lowest temperatures of -1 to +4 degrees, coldest in the east and southeast where frost and ice are possible. Light westerly winds will become southerly overnight.

Wednesday: Cloud and rain will spread eastwards across the country during Wednesday morning and it'll become breezy with moderate to fresh southerly winds developing. The rain will gradually clear eastwards through the afternoon and will be followed by clear spells and scattered showers, mainly affecting Atlantic coastal areas. Highest temperatures of 5 to 10 degrees, coldest in Ulster.

Wednesday night: Most areas will be dry on Wednesday night but some showers will affect Atlantic counties. There'll be clear spells at first but cloud will build from the south overnight. Lowest temperatures of 1 to 5 degrees with light to moderate south to southwest winds.

Thursday: There is uncertainty in the forecast for Thursday but it's possible that a low pressure system will track close to Ireland, bringing a spell of rain and some strong winds. Highest temperatures of 4 to 9 degrees. The rain is forecast to be followed by clear spells and scattered showers on Thursday night, with temperatures falling back to between 0 and 5 degrees and winds easing.

Friday: A mix of cloud, sunny spells and scattered showers on Friday. Highest temperatures of 5 to 9 degree with light and variable breezes.

Further outlook: Current indications are for mixed weather at the weekend, with Saturday looking like the more settled day.