National Forecast
Issued at: 15 July 2026 11:00
TODAY - Wednesday 15th July
Most areas will remain dry and sunny for the rest of today with just light northeasterly breezes. Cloudier for the southwest counties with the chance of passing showers, mainly closer to the coast. Sunshine will be a little hazy at times for the Northeast. Top temperatures of 23 to 29 degrees, warmest further west, with slightly fresher conditions along some eastern and southern fringes, owing to onshore breezes.
TONIGHT
Tonight will be dry, calm and clear. A relatively mild night with lowest temperatures of 10 to 16 degrees.
TOMORROW - Thursday 16th July
Thursday will be a very warm or hot day with lots of high summer sunshine. Coastal fog may drift onto some northern coasts though with the chance of the odd sharp shower later. Top temperatures of 24 to 29 or 30 degrees with just light northeast or variable breezes.
National Outlook
Overview: Continuing mostly dry, warm and sunny with temperatures in the mid to high twenties in most areas. However, a change to a northerly airflow this weekend means that northern areas will be cooler.
Thursday night: Dry with long clear spells and possibly patches of mist and fog. Lowest temperatures of 13 to 17 degrees in light to moderate northerly winds.
Friday: Most areas dry, sunny and warm or very warm with temperatures reaching 23 to 28 degrees. Some cloud will affect the north and northwest, keeping highest temperatures here around 17 to 20 degrees, in a light to moderate northerly wind.
Friday night: Dry and clear with a light to moderate northerly breeze. Lowest temperatures of 11 to 15 degrees.
Saturday: Dry, warm and sunny with the sunshine turning hazy from the north through the day. Temperatures generally reaching 22 to 26 degrees in Munster and Leinster. Not as warm in the Ulster and Connacht though, with highest temperatures of 17 to 21 degrees due to a light to moderate northerly breeze and some cloud at times.
Sunday: A cooler day on Sunday and mostly sunny apart from some cloud near northern coasts. Highest temperatures of 20 to 24 degrees, cooler again near northern and northwestern coasts, in a light northerly breeze.
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.