Connacht
Issued at: 21 July 2026 05:00
TODAY - Tuesday 21st July
Mostly cloudy to start this morning, with sunny spells developing for most through the afternoon. Staying cloudier in the north of the province. Highest temperatures of 18 to 21 degrees generally, but a little cooler near northern coasts, in light to moderate northerly breezes.
TONIGHT
Dry for most tonight with clear spells, but staying cloudy in the north with a few spots of drizzle. The cloudier conditions will gradually spread southwards overnight. Lowest temperatures of 9 to 13 degrees in a light to moderate northerly breeze.
Pollen Forecast
High.
Solar UV Index
Moderate to high.
TOMORROW - Wednesday 22nd July
A generally cloudy start tomorrow with a few spots of light rain or drizzle possible. Good sunny spells will develop for most through the day. Highest temperatures of 20 to 22 degrees generally, but a bit cooler near northern coasts in light, occasionally moderate, northerly breezes.
National Outlook
Overview: High pressure will dominate keeping conditions dry and warm with sunny spells for most. Cooler and cloudier in the north and northwest with some light rain and drizzle at times. Turning more changeable then this weekend.
Wednesday night: Dry for most with clear spells. Cloudier in the north and northwest with some patchy light rain or drizzle possible towards morning. Lowest temperatures of 10 to 14 degrees in a light northerly breeze.
Thursday: A cloudy start for most with some light rain or drizzle in the north and west. Some sunny spells in the south will become more widespread through the day. Highest temperatures of 18 to 24 degrees, warmest in the south and coolest in the northwest, with mostly light northerly breezes becoming northwesterly.
Thursday night: Another dry night for most with clear spells. Again, cloudier in the north and northwest with a few spots of light rain or drizzle there. Lowest temperatures of 10 to 14 degrees with light northwesterly breezes becoming westerly towards morning.
Friday: Another day with a mostly cloudy start and some light rain or drizzle over the northwestern half of the country. Sunny spells in the south will again become more widespread through the day. Highest temperatures of 18 to 24 degrees, coolest in the west, with a light to moderate westerly breeze.
Saturday: Likely a more unsettled day than recent days for most as outbreaks of rain spread from the northwest. Highest temperatures of 17 to 23 degrees, warmest in the southeast, with moderate, occasionally fresh, west to northwest winds.
Further outlook: Current indications are for changeable conditions to persist with further rain and showers expected, though there will be some sunny spells too, especially in the south and east. Highest temperatures will range from the mid to high teens in the north and west to the low twenties in the south and east.
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.