Connacht

Issued at: 12 August 2026 16:00

TODAY - Wednesday 12th August

Warm and mostly cloudy this evening with some patchy outbreaks of rain or drizzle, mainly in the west of the province. Mist and fog patches will linger on hills and along the coast in western areas. Southerly winds will be light to moderate.

TONIGHT

Staying mostly cloudy tonight with outbreaks of rain and drizzle, mainly in the west of province. Mist and fog patches too. It will be another mild and muggy night, with lowest temperatures not falling lower than 15 to 18 degrees in mainly light southerly breezes, moderate near the coast.

Pollen Forecast

Moderate.

More information

Solar UV Index

Low to moderate on Thursday. Moderate on Friday.

UV Index

TOMORROW - Thursday 13th August

Tomorrow, Thursday, will be another warm and mostly cloudy day with showers and just a few sunny spells. Some of the showers could be heavy with an isolated thunderstorm possible. Mist and fog patches will again linger on hills and along the coast in western areas. Highest temperatures of 20 to 26 degrees, with light or moderate southwest to westerly winds.

National Outlook

Overview: Turning fresher by Friday with a return to a more Atlantic-driven regime by early next week.

Thursday Night: Any remaining showers or thunderstorms will ease eastwards on Thursday night, with clear spells and isolated showers following. Lowest temperatures of 12 to 17 degrees in light, occasionally moderate, westerly breezes.

Friday: Friday will be a fresher day with a mix of sunny spells and scattered showers spreading from the west, becoming increasingly isolated later. Maximum temperatures will fall back to between 17 and 23 degrees in light to moderate northwesterly winds. Mainly dry on Friday night with variable cloud and clear spells and just the chance of an odd shower in the west and north. Lowest temperatures of 10 to 13 degrees in mainly light west to northwest breezes.

Saturday: Saturday will be mainly dry with a mix of cloud, sunny spells and isolated showers. Highest temperatures will range from around 15 degrees in the northwest to 21 degrees in the southeast in a light to moderate west to northwest breeze.

Sunday: There is still a degree of uncertainty in the details for Sunday at present, but current indications suggest a mostly cloudy day with outbreaks of rain pushing in from the Atlantic, possibly turning heavy in the west and northwest later in the day. Highest temperatures of 15 to 19 degrees with light to moderate southeasterly winds freshening later near Atlantic coasts.