Ulster

Issued at: 01 September 2026 17:00

TODAY - Tuesday 1st September

Staying cloudy this evening with outbreaks of rain. These will be heavy in places. All in light to moderate southwest winds.

TONIGHT

Staying cloudy overnight with further outbreaks of rain and drizzle at times. Some mist and hill fog will occur in places. Lowest temperatures of 12 or 14 degrees with light south to southeast winds.

Pollen Forecast

Low on Wednesday and Thursday.

More information

Solar UV Index

Low on Wednesday and Thursday.

UV Index

TOMORROW - Wednesday 2nd September

Cloudy tomorrow with scattered outbreaks of rain and drizzle during the morning, mainly in eastern parts. Staying dull and damp into the afternoon and evening, with mist and hill fog, and further patchy rain and drizzle. Highest temperatures of 17 to 19 degrees with light south-easterly winds, becoming light to moderate south-westerly during the evening.

National Outlook

Overview: Unsettled with low pressure dominating bringing rain and showers. Breezy at times too.

Wednesday night: Well scattered showers and clear spells with moderate southwesterly breezes. A mild night with lowest temperatures of 13 to 16 degrees.

Thursday: Mainly dry to start with sunny spells and just well scattered showers. Outbreaks of rain will move in from the west through the afternoon, likely extending to most areas by the evening. Highest temperatures of 16 to 21 degrees with moderate to fresh west to southwest winds, strong at times near coasts.

Thursday night: Widespread outbreaks of rain will continue at first, heavy at times. The rain will likely become mostly confined to the south and southeast towards morning. Lowest temperatures of 12 to 16 degrees with moderate southwesterly winds, fresher along southern coasts.

Friday: A drier day for most with sunny spells and scattered showers, mainly affecting the north and northwest. Highest temperatures of 15 to 19 degrees with moderate to fresh westerly winds.

Saturday: There is uncertainty in the details with further outbreaks of rain likely. Highest temperatures of 15 to 19 degrees with mostly light southerly breezes.

Further outlook: Likely remaining unsettled on Sunday and Monday with further rain and showers.