Ulster

Issued at: 19 August 2026 16:30

TODAY - Wednesday 19th August

This evening will have a mixture of sunny spells and further scattered showers, some heavy and possibly thundery at times. All in light to moderate west to southwest winds.

TONIGHT

There will be clear spells and further scattered showers overnight, possibly heavy at times. Lowest temperatures of 10 to 13 degrees with light to moderate west to northwest winds, increasing fresh and gusty along western coasts.

Pollen Forecast

Low on Thursday and Friday.

More information

Solar UV Index

Moderate on Thursday and Friday.

UV Index

TOMORROW - Thursday 20th August

On Thursday, there will be sunny spells and further scattered showers. Temperatures will reach 15 to 18 degrees and there'll be a mostly moderate northerly breeze. Winds stronger near coasts.

National Outlook

Overview: Showers continuing on Friday but becoming largely dry for the weekend and start of next week.

Thursday night: Clear spells and scattered showers, mainly in the north and west. Lowest temperatures of 7 to 11 degrees with light to moderate northwesterly winds.

Friday: Sunny spells and scattered showers on Friday, mainly in the north and west at first but becoming more widespread through the day. Highest temperatures of 14 to 19 degrees with light to moderate northerly winds.

Friday night: A few showers in the north and west but otherwise dry with long clear spells. Lowest temperatures of 6 to 11 degrees with light north to northwest winds.

Saturday: Most places will be dry with sunny spells on Saturday. Highest temperatures of 15 to 19 degrees with light and variable winds.

Saturday night: Largely dry with long clear spells. Mist and fog will develop in near calm conditions. Lowest temperatures of 7 to 10 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 with light and variable winds.

Further outlook: Another largely dry and bright day on Monday, but potentially turning unsettled again from Tuesday.