National Forecast
Issued at: 25 September 2026 16:30
TODAY - Friday 25th September
For the rest of the day there'll be sunny spells and isolated showers, turning heavy at times. South to southwest winds will be mostly light to moderate but will be fresh to strong near coasts in the west and northwest.
TONIGHT
Tonight will bring a mix of clear spells and showers, some heavy, with the showers mainly in the north and west. Lowest temperatures of 8 to 13 degrees in mostly moderate southwest winds, fresher in coastal parts of the west and northwest.
TOMORROW - Saturday 26th September
Sunny spells and well scattered showers tomorrow morning. Cloud will increase during the afternoon and evening and the showers will become more frequent. Highest temperatures of 15 to 20 degrees in moderate to fresh and occasionally gusty south to southwest winds, strong in western and northwestern coastal parts.
National Outlook
Overview: Changeable weather over the next few days. Becoming more unsettled into Tuesday and for the rest of the week.
Saturday Night: Clear spells and showers to start the night. Cloud will build overnight with rain developing in southern areas and extending northwards. The rain will be heavy and thundery at times with the chance of localised flooding. Lowest temperatures of 11 to 13 degrees in moderate to fresh southerly winds.
Sunday: Starting off wet and breezy with rain continuing to extend northwards through the morning. The rain will be heavy and thundery at times with the chance of localised flooding. A clearance to sunny spells and scattered showers will follow through the late morning and afternoon. Highest temperatures of 14 to 18 degrees, with moderate to fresh westerly winds.
Sunday night: Dry with clear spells for most, but with showers affecting western Atlantic coastal areas. Lowest temperatures of 6 to 10 degrees in light southwesterly breezes.
Monday: Dry for most with sunny spells, and just a few showers mainly further west. Highest temperatures of 14 to 17 degrees, with light to moderate southerly breezes backing southeasterly during the evening.
Tuesday: While there is uncertainty in the detail, Tuesday is looking like a wet and windy day with widespread rain, turning heavy at times, together with fresh to strong and gusty southeasterly winds, reaching near gale force or even gale force at times near coasts. Highest temperatures of 16 to 19 degrees.
Further outlook: Unsettled for the rest of the working week with further spells of rain and blustery conditions possible.
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.