Connacht
Issued at: 20 August 2026 12:30
TODAY - Thursday 20th August
There will be plenty of bright or sunny spells and some cloud this afternoon and evening. Some well scattered showers will sweep in from the Atlantic too. Temperatures will reach 15 to 18 degrees in a moderate to fresh northerly breeze, strongest along coasts.
TONIGHT
Overnight, there will be a mixture of clear spells and further scattered showers. Lowest temperatures of 7 to 11 degrees in light to moderate northwesterly winds, staying stronger along coasts.
Pollen Forecast
Low on Thursday and Friday.
Solar UV Index
Moderate on Thursday and Friday.
TOMORROW - Friday 21st August
On Friday, there will be a mixture of sunny spells and further scattered showers. These becoming more isolated and fading into the afternoon and evening. Highest temperatures of 14 to 17 degrees in light to moderate northerly winds.
National Outlook
Overview: Becoming largely dry for the weekend and start of next week with mainly light winds and some overnight mist and fog.
Friday night: A few isolated showers in the north and west but otherwise dry with long clear spells. Lowest temperatures of 7 to 11 degrees in light northwest or variable winds.
Saturday: Most places will be dry with sunny spells on Saturday. There's just the chance of a stray light shower in the northwest. Highest temperatures of 15 to 19 degrees in light northwesterly winds.
Saturday night: Largely dry with long clear spells. Mist and fog will develop in near calm conditions. Lowest temperatures of 7 to 11 degrees.
Sunday: Mist and fog will gradually clear on Sunday morning and it'll be a largely dry and bright day apart from isolated showers. Highest temperatures of 15 to 19 degrees in light and variable winds.
Sunday night: Another dry and clear night with mist and fog patches forming towards morning. Lowest temperatures of 7 to 12 degrees in light southeast to east winds.
Monday: Mainly dry and bright Monday, cloudier conditions with some showers may move up from the south later in the day. Highest temperatures of 17 to 21 degrees in moderate southeasterly winds.
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.