Connacht
Issued at: 12 August 2026 06:00
TODAY - Wednesday 12th August
Today, Wednesday, will be another warm and mostly cloudy day with outbreaks of rain or drizzle. Some mist and fog may develop on hills and in coastal areas in the west of the province during the day. Some clear or sunny breaks will develop in the east of the region this evening. Highest temperatures of 20 to 25 degrees in light to moderate southerly winds.
TONIGHT
Continuing mostly cloudy tonight with patchy rain and drizzle, mainly in the west of province. Mist and fog patches too. It'll be another mild and muggy night with temperatures no lower than 15 to 18 degrees in mainly light southerly breezes, moderate near the coast.
Pollen Forecast
Moderate.
Solar UV Index
Moderate to high on Wednesday; Mainly low to moderate on Thursday.
TOMORROW - Thursday 13th August
Tomorrow, Thursday, will be another warm day with sunny spells and scattered showers. A few of the showers could be heavy with an isolated thunderstorm possible. Highest temperatures of 20 to 26 degrees, in a light to moderate southwest to west wind.
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.
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.