Today

Very warm, dry and close this afternoon and early evening in Ulster with hazy sunny spells, these prolonged in many parts. While most places will remain dry there just a slight risk of an isolated heavy shower or two in the far west of the province during late afternoon and early evening. Highest temperatures will range 22 to 26 Celsius in light to moderate southeasterly or variable breezes but a degree or two cooler along eastern coasts.

Tonight

Dry tonight in eastern parts of the province with clear spells but increasing cloud will bring showery outbreaks of rain gradually spreading into west and mid Ulster overnight. The rain will turn persistent or heavy at times with a risk of thunder. There will be some patchy hill or coastal fog also. Mild and humid, lowest temperatures of 13 to 15 Celsius in light variable breezes.

Grass Pollen Count

Moderate today and low on Saturday
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Solar UV Index

High
UV Index

Tomorrow

Cloud and showery outbreaks of rain will extend eastwards to all parts on Saturday morning, the showery rain heavy or prolonged in places and with an on-going risk of thunder. Drier and brighter weather with some scattered showers will gradually spread eastwards across the province during the afternoon and early evening. It will become cooler and fresher than of late with afternoon temperatures ranging 18 to 20 or 21 Celsius. Winds will veer and become moderate west to northwest generally but fresh and occasionally gusty for a time on Saturday morning along western coasts and along northern coasts in the afternoon.